Mail Administration Guide

Previous: Appendix B sendmail Options


Numbers and Symbols

	-
		See dash (-)

	.
		See dot (.)

	@
		See at sign (@)

	*
		$* address-rewriting metasymbol ( )

	#, beginning of sendmail.cf lines ( )

	?
		headers and ( )
		in macros ( )

	\|
		in macros ( )

	*
		in postmaster password field ( )

	$
		in qf files ( )

	\|
		in recipient names ( )

	$
		sendmail metasymbol specifier ( ) ( )
		sendmail special macro specifier ( ) ( )

	$-
		address-rewriting metasymbol ( )
		macro ( )

	-7 flag (mailer description) ( )

	_, in mailbox names ( )

	%, in mailbox names ( )

	\, in recipient names ( ) ( )

	", in recipient names ( ) ( ) ( )

	/, in recipient names ( )

	!, in uucp mail headers ( ) ( )

	".", replying to ( )

	[], $[host$] address-rewriting metasymbol ( ) ( )

	{}, ${x name$} address-rewriting metasymbol ( ) ( )

	$*, address-rewriting metasymbol ( )

	$+, address-rewriting metasymbol ( )

	$@, address-rewriting metasymbol ( )

	$:, address-rewriting metasymbol ( )

	(), in recipient names ( ) ( ) ( )

	<>, in recipient names ( ) ( ) ( )

	@:@, in alias database ( )

	$@host, address-rewriting metasymbol ( )

	$[host$], address-rewriting metasymbol ( ) ( )

	$%l, address-rewriting metasymbol ( ) ( )

	$=m class ( ) ( )

	$#mailer, address-rewriting metasymbol ( )

	$>n, address-rewriting metasymbol ( )

	$:user, address-rewriting metasymbol ( )

	$=x, address-rewriting metasymbol ( )

	$~x, address-rewriting metasymbol ( )

	$%x, address-rewriting metasymbol ( ) ( )

	${x name$}, address-rewriting metasymbol ( ) ( )

	$%y, address-rewriting metasymbol ( ) ( )

	$n, address-rewriting metasymbol ( )

	$OPENWINHOME/bin/mailtool command
		See mailtool command

	"temporary failure" exit status, sendmail ( )

	$x, address-rewriting metasymbol ( ) ( )


A

	A field (mailer description) ( )

	-a flag (mailer description) ( )

	$a macro (sendmail program) ( ) ( )

	-a option (aliasadmin command) ( ) ( )

	adding
		aliases to /etc/mail/aliases file ( ) ( )
		aliases to NIS+ mail_aliases table ( ) ( )

	addresses
		See also domain names
		% in ( )
		@ in ( ) ( ) ( )
		bang-style (!) ( ) ( )
		case sensitivity ( ) ( )
		comments excluded from ( )
		described ( ) ( )
		how addressing works ( ) ( )
		local ( ) ( )
		mail ( ) ( )
		parsing by sendmail program ( ) ( )
		resolution agents ( ) ( )
		rewriting rules ( ) ( ) ( ) ( ) ( )
			rule set 1 ( ) ( ) ( ) ( )
			rule set 2 ( ) ( )
			rule set 3 ( ) ( ) ( ) ( ) ( )
			rule set 4 ( ) ( ) ( )
			rule set 9 ( )
			defining a rule (R) ( ) ( )
			error message generation ( )
			left-hand side ( )
			mailers ( ) ( ) ( )
			metasymbols ($) ( ) ( )
			right-hand side ( ) ( )
			rule set 0 ( ) ( ) ( ) ( ) ( )
			rule set 10 ( )
			rule set 11 ( )
			rule set 20 ( )
			rule set 21 ( ) ( )
			rule set 24 ( )
			rule set R ( ) ( ) ( )
			rule set S ( ) ( )
			semantics ( ) ( )
			setting current rule set (S) ( )
			special classes ( )
			special macros ($) ( ) ( )
			standard rule sets ( ) ( )
			testing ( ) ( )
		route-based ( )
		route-independent ( )
		verifying ( ) ( )

	administering mail configuration
		See also changing; configuring; deleting

	Administration Tool, Database Manager, alias administration and ( ) ( ) ( )

	aliasadmin command ( ) ( )
		adding entries by command line (-a) ( ) ( )
		adding entries by editing (-e) ( )
		changing entries (-c) ( )
		deleting entries (-d) ( )
		described ( ) ( ) ( )
		initiating tables (-I) ( )
		listing all entries (-l) ( ) ( ) ( )
		listing individual entries (-m) ( ) ( )

	aliases ( ) ( ) ( ) ( )
		.mailrc file ( ) ( )
		alternative alias files, using ( ) ( )
		creating ( ) ( ) ( ) ( )
			/etc/mail/aliases file ( ) ( ) ( )
			.mailrc file ( )
			DNS aliases files ( )
			examples ( ) ( )
			newaliases program ( ) ( )
			NIS+ mail_aliases table ( ) ( )
			NIS aliases map ( ) ( ) ( )
			overview ( ) ( ) ( )
			postmaster ( ) ( )
			user creation of ( )
		defined ( )
		disallowing aliasing ( )
		DNS ( )
		duplicate message copies and ( )
		/etc/mail/aliases file
			creating ( ) ( ) ( )
			adding entries ( ) ( )
			binary form of ( )
			deleting entries ( )
			described ( ) ( ) ( ) ( ) ( ) ( ) ( )
			local mail and remote connection configuration and ( )
			local mail only configuration and ( )
			NIS and ( ) ( )
			permissions setting for ( ) ( )
			postmaster alias ( ) ( ) ( )
			root alias ( )
		host
			DNS ( )
			NIS and NIS+ ( )
		initializing databases
			NIS+ mail_aliases table ( )
			sendmail program argument for ( )
		local addresses and ( )
		loops ( ) ( )
		mail client configuration and ( )
		naming ( )
		necessity for ( ) ( )
		NIS+ (mail_aliases table) ( ) ( ) ( )
			adding entries ( ) ( )
			administering ( ) ( ) ( ) ( )
			changing entries ( )
			creating ( ) ( )
			deleting entries ( )
			described ( ) ( )
			host aliases ( )
			initiating ( )
			listing ( ) ( )
			postmaster alias ( )
		NIS (mail.aliases map) ( ) ( ) ( )
			administering ( ) ( ) ( ) ( )
			/etc/mail/aliases file and ( ) ( )
			creating ( ) ( ) ( )
			described ( )
			host aliases ( )
			postmaster alias ( ) ( )
			root alias ( )
		permissions setting for databases ( ) ( )
		portability and flexibility of alias files ( )
		postmaster
			/etc/mail/aliases file ( ) ( ) ( )
			NIS or NIS+ ( ) ( )
			setting up ( ) ( )
		rebuilding databases ( ) ( )
		RHS validation for ( )
		root
			/etc/mail/aliases file ( )
			NIS ( )
		sendmail usage of ( ) ( ) ( ) ( )
		SMTP inverts ( )
		uniqueness requirements ( )
		update-request handling ( )
		user creation of ( )
		uses for ( ) ( )
		verifying ( )

	aliases.dir file ( ) ( )

	aliases.pag file ( ) ( )

	angle brackets (<>), in recipient names ( ) ( ) ( )

	argument vector/exit status interface (sendmail program) ( )

	argument vector template (mailer description) ( )

	arguments (sendmail program)
		See also sendmail program, arguments to
		processing ( )

	ARPANET mode argument (sendmail program) ( )

	asterisk (*)
		$* address-rewriting metasymbol ( )
		in postmaster password field ( )

	asynchronous delivery mode ( ) ( )

	at sign (@)
		$@ address-rewriting metasymbol ( )
		@:@ in alias database ( )
		$@host address-rewriting metasymbol ( )
		appending @domain ( ) ( )
		in addresses ( ) ( ) ( )

	audio files, mailbox space requirements and ( )

	automatic mounting, /var/mail directory ( ) ( )

	automatic reply
		See vacation command

	automount_master file ( )


B

	-B argument (sendmail program) ( )

	B code (qf files) ( )

	-b flag (mailer description) ( )

	$b macro (sendmail program) ( ) ( )

	-ba argument (sendmail program) ( )

	background delivery mode ( ) ( )

	backslash (\), in recipient names ( ) ( )

	backups, mail servers and ( )

	bang-style addressing ( ) ( )

	Bcc: header line ( )

	-bd argument (sendmail program) ( ) ( )

	-bi argument (sendmail program) ( )

	binary data, transmitting ( )

	blank lines
		forcing at end of messages ( )
		sendmail.cf file ( )

	blank substitute, sendmail configuration option ( )

	blind carbon copies ( )

	-bm argument (sendmail program) ( )

	body of mail messages ( ) ( ) ( ) ( )

	body type argument (sendmail program) ( )

	body type code (qf file) ( )

	bounced messages
		See undelivered messages

	-bp argument (sendmail program) ( ) ( )

	brackets
		See curly brackets ({}); square brackets ([])

	-bs argument (sendmail program) ( )

	-bt argument (sendmail program) ( ) ( ) ( ) ( )

	-bv argument (sendmail program) ( ) ( )


C

	-c argument (sendmail program) ( )

	-C argument (sendmail program) ( ) ( )

	C class definition (sendmail.cf file) ( ) ( ) ( ) ( )

	C code (qf files) ( )

	-c flag (mailer description) ( )

	-C flag (mailer description) ( ) ( ) ( )

	$c macro (sendmail program) ( ) ( ) ( )

	-c option (aliasadmin command) ( )

	cached connections ( )

	carbon copies
		See also multiple recipients

	case sensitivity
		See also uppercase preservation
		classes ( ) ( )
		domain addresses ( ) ( )
		macros ( ) ( )

	Cc: header line ( ) ( )

	changing
		aliases in /etc/mail/aliases file ( ) ( )
		aliases in NIS+ mail_aliases table ( )

	checking after n recipients (sendmail.cf file) ( )

	classes
		C class definition ( ) ( ) ( ) ( )
		case sensitivity ( ) ( )
		examples ( ) ( )
		F class definition ( )
		file containing ( )
		G class definition ( ) ( ) ( ) ( )
		sendmailvars.org_dir table and ( ) ( ) ( ) ( )
		sendmailvars table and ( ) ( ) ( ) ( ) ( )
		special ( )
		V class ( ) ( ) ( )

	clients
		See mail clients

	colon (:)
		$: address-rewriting metasymbol ( )
		$:user address-rewriting metasymbol ( )

	command-line arguments
		See sendmail program, arguments to

	comments, excluding from addresses ( )

	communications protocols
		See protocols

	conditionals (configuration) ( )

	configuration files
		See also main.cf file; sendmail.cf file; subsidiary.cf file
		alternative ( ) ( )
		creating from scratch ( ) ( )
		default ( )
		described ( ) ( )
		domain-based naming and ( )
		mail clients ( )
		mail gateways ( )
		mail hosts ( )
		mail servers ( )
		policies and ( )
		purpose of ( ) ( )
		RFCs and ( )

	configuration table (sendmail program) ( ) ( ) ( ) ( )

	configuration types ( ) ( ) ( )
		basic elements ( ) ( ) ( ) ( )
		local mail and remote connection ( )
		local mail only ( ) ( )
		remote mail ( ) ( )
		two domains and a gateway ( )
		typical configuration ( ) ( )

	configuring
		See also aliases
		administering a configuration ( ) ( )
		mail clients ( ) ( )
		mail gateways ( ) ( ) ( ) ( ) ( )
		mail hosts ( ) ( ) ( )
		mail servers ( ) ( )
		multifunction components ( )
		overview ( ) ( )
		preparation for ( )
		security and ( )
		testing a configuration ( )

	connections to other systems
		verifying ( ) ( )

	continuation lines (sendmail.cf file) ( )

	CR ddn-gateway entry (sendmail.cf file) ( )

	creating
		See also adding; aliases; configuring
		configuration files from scratch ( ) ( )
		postmaster mailbox ( )

	crontab file ( )

	curly brackets ({}), ${x name$} address-rewriting metasymbol ( ) ( )

	custom mailers, user-specified ( )


D

	-d argument (sendmail program) ( ) ( ) ( )

	D code (qf files) ( )

	-D flag (mailer description) ( )

	$d macro (sendmail program) ( ) ( )

	D macro definition (sendmail.cf file) ( ) ( ) ( ) ( ) ( )

	-d option (aliasadmin command) ( )

	daemons
		See also sendmail program
		/usr/sbin/in.comsat daemon ( )
		listening daemon, listing PID of ( )
		mail-notification daemon ( )
		MAILER-DAEMON ( ) ( )

	dash (-)
		$- address-rewriting metasymbol ( )
		$- macro ( )
		mailbox names with ( )

	Database Manager (Administration Tool)
		alias administration and ( ) ( ) ( )

	databases (alias)
		See aliases

	Date: header line ( ) ( )

	ddn mailer
		mail gateway configuration and ( )
		specifying in sendmail.cf ( )

	dead.letter files ( )

	debugging
		See also testing; troubleshooting
		mconnect program for ( ) ( )
		sendmail program ( ) ( ) ( )
		version number macro and ( )

	decoding binary data ( )

	defaults
		configuration files ( )
		/etc/syslog.conf file ( ) ( )
		/var/mail directory permissions ( )
		group ID for mailers ( )
		load limiting ( )
		log level ( )
		mailer ( )
		mailtool command ( )
		mailx command ( )
		sendmail.cf file ( ) ( )
		sendmail program ( ) ( ) ( ) ( )
		syslogd message destination ( )

	deleting
		aliases in /etc/mail/aliases file ( )
		aliases in NIS+ mail_aliases table ( )
		local host names ( )

	delivery agents
		See mailers

	delivery mode (sendmail.cf file) ( ) ( ) ( )

	delivery speed ( ) ( )

	DeskSet Mail Tool, binary data transmission and ( )

	desktop-publishing files, mailbox space requirements and ( )

	dfstab file ( )

	diagnostic information
		See troubleshooting

	directories, mail queue ( )

	displaying
		See listing

	distribution lists, mailbox names and ( )

	Dmmaildomain entry (sendmail.cf file) ( )

	DMsmartuucp entry (sendmail.cf file) ( )

	DNS
		aliases files ( )
		MX records ( ) ( ) ( )
		NIS+ and ( ) ( )
		NIS and ( ) ( )

	dollar sign ($)
		in qf files ( )
		sendmail metasymbol specifier ( ) ( )
		sendmail special macro specifier ( ) ( )

	domain aliases, DNS ( )

	domain names
		See also addresses
		case sensitivity ( ) ( )
		class of ( )
		described ( ) ( )
		mail domain name ( ) ( ) ( ) ( ) ( ) ( ) ( )
		namespace domain name ( )
		network domain name ( )
		network vs. mail ( )
		sendmail program and ( )
		SMTP appends ( )

	domains ( )
		defined ( )
		two domains and a gateway configuration ( )

	dot (.)
		hidden dot algorithm ( )
		ignoring dots in incoming messages ( ) ( )
		in domain addresses ( )
		in mailbox names ( )
		replying to "." in data ( )

	double quotation marks (")
		in recipient names ( ) ( ) ( )
		replying to "." in data ( )
		stripping before calling mailer ( )

	DR ddn-gateway entry (sendmail.cf file) ( ) ( ) ( )

	dual-function components, configuring ( )

	duplicate message copies, troubleshooting ( )


E

	-e argument (sendmail program) ( )

	E code (qf files) ( )

	E field (mailer description) ( )

	-E flag (mailer description) ( )

	-e flag (mailer description) ( ) ( )

	$e macro (sendmail program) ( )

	-e option (aliasadmin command) ( )

	editing
		See adding; changing; deleting

	empty messages, disallowing ( )

	encoding binary data ( )

	end-of-line indicator (mailer description) ( )

	envelope file ( )

	error detection
		See debugging; troubleshooting

	error handling, sendmail program ( ) ( ) ( ) ( )

	error mailer ( )

	error messages
		address-rewriting rule set 0 ( )
		appending info to ( )
		disallowing ( )
		disposition of ( ) ( )
		"Services unavailable" ( )
		logger for ( ) ( ) ( ) ( ) ( )
		MAILER-DAEMON ( ) ( )
		MIME format ( )
		printing ( )
		sending back to sender ( )

	Errors-To: header line ( )

	/etc/automount_master file ( )

	/etc/dfs/dfstab file ( )

	/etc/hosts file
		local mail and remote connection configuration and ( )
		local mail only configuration and ( )
		loghost ( ) ( )
		mail client configuration and ( )
		mail hosts configuration and ( )
		NIS mail.aliases map and ( )
		remote mail configuration and ( )
		sendmail address-rewriting rules and ( ) ( )

	/etc/inet/hosts file, designating systems as hosts in ( )

	/etc/mail/aliases.dir file ( ) ( )

	/etc/mail/aliases file
		See also aliases
		adding entries ( ) ( )
		binary form of ( )
		creating ( ) ( ) ( )
		deleting entries ( )
		described ( ) ( ) ( ) ( ) ( ) ( ) ( )
		local mail and remote connection configuration and ( )
		local mail only configuration and ( )
		NIS and ( ) ( )
		permissions setting for ( ) ( )
		postmaster alias ( ) ( ) ( )
		root alias ( )

	/etc/mail/aliases.pag file ( ) ( )

	/etc/mail directory, contents of ( ) ( )

	/etc/mail/Mail.rc file ( )

	/etc/mail/mailx.rc file ( )

	/etc/mail/main.cf file
		See main.cf file

	/etc/mail/sendmail.cf file
		See sendmail.cf file

	/etc/mail/sendmail.cw file ( )

	/etc/mail/sendmail.hf file ( )

	/etc/mail/sendmail.pid file ( )

	/etc/mail/sendmail.st file ( ) ( )

	/etc/mail/subsidiary.cf file ( ) ( ) ( ) ( ) ( )

	/etc/named.boot file ( )

	/etc/nsswitch.conf file ( ) ( ) ( )

	/etc/sendmailvars table ( ) ( ) ( ) ( ) ( ) ( )

	/etc/syslog.conf file ( ) ( )

	/etc/vfstab file
		local mail and remote connection configuration and ( )
		mail clients and ( ) ( )
		mail servers and ( )
		remote mail configuration and ( )
		/var/mail directory mounting and ( ) ( )

	ether mailer
		described ( ) ( ) ( )
		mail gateway configuration and ( )
		specifying in sendmail.cf ( ) ( ) ( )

	Ethernet, testing mail configuration on ( )

	exclamation point (!), in uucp mail headers ( ) ( )

	expensive mailers ( ) ( )

	exporting /var directory ( )


F

	-F argument (sendmail program) ( )

	-f argument (sendmail program) ( )

	F class definition (sendmail.cf file) ( )

	F code (qf files) ( )

	F field (mailer description) ( ) ( )

	-f flag (mailer description) ( ) ( )

	-F flag (mailer description) ( ) ( )

	$f macro (sendmail program) ( ) ( )

	file protection modes (sendmail.cf file) ( ) ( ) ( )

	files
		See also specific files
		as sendmail message recipients ( ) ( )
		mail-services ( ) ( )

	flags
		See also sendmail program, arguments to
		mailer-description ( ) ( ) ( ) ( ) ( ) ( ) ( )

	flushing queue, old messages only ( )

	forcing
		mail queue ( )
		name service to run ( )
		queue ( )

	forged names, avoiding ( )

	.forward files (sendmail program) ( ) ( ) ( )

	forward slash (/), in recipient names ( )

	forwarding mail
		disallowing ( )
		individual specification of ( )
		search path setting for ( )
		setting up ( )
		troubleshooting mail problems and ( ) ( )

	From: header line ( ) ( ) ( ) ( ) ( )

	Full-Name: header line ( ) ( )


G

	G class definition (sendmail.cf file) ( ) ( ) ( ) ( )

	-g flag (mailer description) ( )

	$g macro (sendmail program) ( ) ( )

	gateways
		See mail gateways

	gethostbyname command ( ) ( ) ( )

	gethostname command ( )

	greater than sign (>) $>n address-rewriting metasymbol ( )

	group ID for mailers, setting default ( )

	group mailing lists ( )


H

	-h argument (sendmail program) ( )

	H code (qf files) ( )

	-h flag (mailer description) ( )

	$h macro (sendmail program) ( ) ( ) ( ) ( )

	hardware components ( ) ( )

	headers
		Bcc: line ( )
		Cc: line ( ) ( )
		Date: line ( ) ( )
		defining in sendmail.cf file ( )
		Errors-To: line ( )
		From: line ( ) ( ) ( ) ( ) ( )
		Full-Name: line ( ) ( )
		Message-Id: line ( ) ( )
		old format ( )
		queue files ( )
		Return-Path: line ( )
		sendmail program and ( ) ( ) ( ) ( ) ( ) ( )
		smartuucp ( )
		SMTP ( )
		To: line ( ) ( )
		tracing message route via ( )
		UNIX-style From lines ( ) ( ) ( ) ( )
		uucp ( )
		X-Authentication-Warning: line ( )

	help file, SMTP ( ) ( )

	hidden dot algorithm ( )

	hop count ( ) ( ) ( )

	hosts
		See mail hosts

	hosts.byname map (NIS) ( ) ( ) ( ) ( )

	hosts file
		See /etc/hosts file

	hyphen (-)
		See dash (-)


I

	-i argument (sendmail program) ( )

	-I flag (mailer description) ( )

	$i macro (sendmail program) ( ) ( )

	-I option (aliasadmin command) ( )

	IDENT protocol timeout ( )

	ignoring dots in incoming messages ( ) ( )

	in.comsat daemon ( )

	initializing alias databases
		NIS+ mail_aliases table ( )
		sendmail program argument for ( )

	initiating queue file ( )

	input, stripping to seven bits ( )

	inserting
		See adding

	interactive delivery mode ( ) ( )

	Internet, sendmail program as Internet mail gateway ( )


J

	$j macro (sendmail program) ( )


K

	$k macro (sendmail program) ( )


L

	L code (qf files) ( )

	L field (mailer description) ( ) ( )

	-L flag (mailer description) ( )

	-l flag (mailer description) ( )

	$l macro (sendmail program) ( )

	L macro definition (sendmail.cf file) ( ) ( ) ( ) ( ) ( )

	-l option (aliasadmin command) ( ) ( ) ( )

	left-hand side of mail addresses ( )

	level, specifyng in sendmail.cf ( )

	limits
		See load limiting; maximums; time intervals

	line length, limiting ( )

	links, in /usr/bin directory ( )

	listening daemon, listing PID for ( )

	listing
		See also printing
		mail queue ( )
		NIS+ mail_aliases table ( ) ( )
		PID of listening daemon ( )

	Lmmaildomain entry (sendmail.cf file) ( )

	load limiting (sendmail program) ( ) ( ) ( ) ( )

	local addresses ( ) ( )

	local aliases file
		See /etc/mail/aliases file

	local mail and remote connection configuration ( )

	local mail only configuration ( ) ( )

	local mailer ( ) ( ) ( )

	local mode, mail client in ( )

	log
		sendmail logging argument ( )
		system ( ) ( ) ( ) ( ) ( )

	log level
		/etc/syslog.conf file ( )
		sendmail.cf file ( ) ( ) ( )

	loghost (/etc/hosts file) ( ) ( )

	loops, alias ( ) ( )

	lowercase
		See case sensitivity


M

	-m argument (sendmail program) ( )

	-M argument (sendmail program) ( ) ( )

	M code (qf files) ( )

	M control line (sendmail.cf file) ( )

	M control line (sendmail.cf file) ( )

	-M flag (mailer description) ( )

	-m flag (mailer description) ( ) ( ) ( )

	$m macro (sendmail program) ( )

	m macro (sendmail.cf file) ( ) ( ) ( ) ( ) ( ) ( )

	-m option (aliasadmin command) ( ) ( )

	macros (configuration) ( ) ( ) ( )
		case sensitivity ( ) ( )
		conditionals ( )
		D macro definition ( ) ( ) ( ) ( ) ( )
		examples ( ) ( )
		file containing ( )
		L macro definition ( ) ( ) ( ) ( ) ( )
		m macro ( ) ( ) ( ) ( ) ( ) ( )
		naming ( )
		OM option ( )
		p macro ( )
		qf files ( )
		R macro ( ) ( ) ( )
		required ( ) ( )
		sendmailvars.org_dir table and ( ) ( ) ( ) ( )
		sendmailvars table and ( ) ( ) ( ) ( ) ( ) ( )
		special ($) ( ) ( )
		uses for ( )

	mail addresses
		See also addresses
		defined ( ) ( )

	mail aliases
		See aliases

	mail.aliases map
		See NIS, aliases (mail.aliases map)

	mail_aliases table
		See NIS+, aliases (mail_aliases table)

	mail client
		local mode ( )
		remote mode ( )

	mail clients
		configuration file for ( )
		configuring ( ) ( )
		defined ( ) ( )
		local mail only configuration and ( ) ( )
		mail server and ( )
		mailboxes automatically created for ( ) ( )
		NFS-mounted file systems and ( ) ( ) ( )
		remote mail configuration and ( )
		remote mode ( )

	mail command ( ) ( ) ( )

	mail configuration files
		See configuration files

	mail configurations
		See configuration types

	mail connections, testing ( ) ( )

	mail daemons
		See daemons

	mail delivery agents
		See mailers

	mail delivery paths
		See delivery paths

	mail domain names
		See also domain names

	mail exchange (MX) records (DNS) ( ) ( ) ( )

	mail forwarding
		See forwarding mail

	mail-forwarding information
		See /etc/mail/aliases file

	mail gateways
		candidates for ( )
		configuration files for ( )
		configuring ( ) ( ) ( ) ( ) ( )
		defined ( ) ( )
		local mail and remote connection configuration and ( )
		security and ( )
		sendmail.cf file and ( ) ( ) ( )
		sendmail program as gateway ( )
		SMTP and ( )
		testing ( )
		two domains and a gateway configuration ( )

	mail headers
		See headers

	mail host, remote mail configuration and ( )

	mail hosts ( ) ( )
		address-rewriting rules ( ) ( )
		aliases
			DNS ( )
			NIS and NIS+ ( )
		candidates for ( ) ( ) ( )
		configuration file for ( ) ( )
		configuring ( ) ( ) ( )
		defined ( ) ( )
		deleting local host names ( )
		designating systems as ( )
		dual-function ( )
		local mail and remote connection configuration and ( )
		local mail only configuration and ( )
		name services and sendmail program and ( ) ( )
		name set for a host ( )
		sendmail.cf file and ( ) ( )
		two domains and a gateway configuration and ( )
		uppercase preserved in names ( )
			See also /etc/hosts file

	mail.local mailer ( ) ( )

	mail macros
		See macros (configuration)

	mail messages
		See also headers; mail queue; undelivered messages
		body of ( ) ( ) ( ) ( )
		carbon copies ( )
		collection by sendmail program ( ) ( )
		delivery by sendmail program ( )
		duplicate copies received ( )
		empty, disallowing ( )
		size setting ( )
		timeouts ( ) ( ) ( )
		tracking ( ) ( )

	mail-notification daemon ( )

	mail problems
		See debugging; troubleshooting

	mail queue ( ) ( )
		delivering each job in separate process ( )
		described ( )
		directory for ( )
		flushing old messages ( )
		forcing ( ) ( )
		format of files ( ) ( )
		initiating queue file ( )
		listing ( )
		mail server and ( )
		moving ( )
		overlarge ( )
		printing ( ) ( ) ( )
		queueing rather than running ( )
		retransmission and ( )
		running ( ) ( ) ( )
		running old ( )
		running subset ( ) ( )
		temporary queue file mode ( )
		time interval for running ( ) ( ) ( ) ( )
		timeouts for messages ( ) ( ) ( )

	mail queue delivery mode ( ) ( )

	Mail.rc file ( )

	mail routers
		See routers

	mail security
		See security

	mail servers ( ) ( )
		backups and ( )
		candidates for ( )
		configuration file for ( )
		configuring ( ) ( )
		defined ( ) ( )
		dual-function ( )
		local mail and remote connection configuration and ( )
		local mail only configuration and ( )
		mail clients and ( )
		mailboxes on ( ) ( ) ( ) ( )
		NFS-mounted file systems and ( ) ( )
		remote mail configuration and ( )
		security permissions on ( )
		space requirements ( )
		two domains and a gateway configuration and ( )

	mail services
		administering ( ) ( )
		configurations ( ) ( ) ( ) ( )
		configuring ( ) ( )
		hardware components ( ) ( )
		planning mail systems ( )
		programs and files ( ) ( )
		software components ( ) ( )
		testing ( )
		troubleshooting ( ) ( ) ( ) ( )

	mail transfer agent
		See mail transport agent
		See also mail transport agent

	mail transport agents
		See also sendmail program
		defined ( )

	mail user agents
		described ( ) ( )
		mail command ( ) ( ) ( )
		mailtool command ( ) ( ) ( ) ( )
		mailx command ( ) ( ) ( ) ( ) ( )

	mailboxes
		See also postmaster mailbox
		automatic creation by sendmail program ( ) ( )
		automatic mounting of ( )
		defined ( ) ( )
		files for ( )
		location of ( ) ( )
		mail servers and ( ) ( ) ( ) ( )
		mailer for ( ) ( )
		naming ( )
		necessity for ( )
		NFS-mounted file systems and ( ) ( ) ( )
		root in NIS ( )
		space requirements ( )
		spooling space for ( )

	mailcompat filter ( )

	MAILER-DAEMON ( ) ( ) ( )

	mailers
		custom, user-specified ( )
		ddn mailer ( )
		defined ( )
		error mailer ( )
		ether mailer ( ) ( ) ( ) ( ) ( )
		expensive ( ) ( )
		group ID for, setting default ( )
		internal name ( ) ( ) ( )
		local mailer ( ) ( ) ( )
		mail gateway configuration and ( )
		mail.local mailer ( ) ( )
		smartuucp mailer ( ) ( )
		Solaris mailers described ( ) ( )
		specifying in sendmail
			flags for ( ) ( ) ( ) ( )
		specifying in sendmail.cf
			address-rewriting rules ( )
			flags for ( ) ( ) ( )
			internal name specification (DM) ( ) ( ) ( )
			program and interface specification (M) ( ) ( )
			semantics of descriptions ( ) ( )
		user ID for, setting default ( )
		uucp mailer ( ) ( ) ( )
		uux mailer ( )

	mailq command ( ) ( ) ( ) ( )

	.mailrc file ( ) ( )

	mailsort program ( )

	mailstats program ( ) ( )

	mailtool command
		default settings for ( )
		described ( ) ( )
		sendmail program interface with ( )

	mailx command
		alias expansion ( )
		default settings ( )
		described ( ) ( )
		sendmail program interface with ( )

	mailx.rc file ( )

	main.cf file
		described ( ) ( )
		local mail and remote connection configuration and ( )
		mail gateway configuration and ( ) ( )
		mail host configuration and ( ) ( ) ( )
		sample ( )

	map (aliases)
		See NIS, aliases (mail.aliases map)

	maximums
		See also load limiting; time intervals
		cachable open connections ( )
		cached connection idle time ( )
		hop count ( )
		line length ( )
		message size ( )

	mconnect program ( ) ( )

	message collection (sendmail program) ( ) ( )

	message delivery (sendmail program) ( )

	message headers
		See headers

	Message-Id: header line ( ) ( )

	message queue
		See mail queue

	message timeouts ( ) ( ) ( )

	message tracking ( ) ( )

	messages
		See mail messages

	metasymbols, address-rewriting rules ( ) ( )

	MIME format, error messages in ( )

	minus sign
		See dash (-)

	mounting
		See also NFS-mounted file systems
		/var/mail directory ( ) ( )

	moving, mail queue ( )

	mqueue directory ( ) ( ) ( )

	multifunction components, configuring ( )

	multiple recipients
		See also carbon copies

	MX (mail exchange) records (DNS) ( ) ( ) ( )


N

	-n argument (sendmail program) ( )

	-n flag (mailer description) ( )

	$n macro (sendmail program) ( )

	name-rewriting rules
		See addresses, rewriting rules

	name services
		See also NIS; NIS+
		forcing name service to run ( )
		sendmail program interaction with ( ) ( )

	named.boot file ( )

	namespace domain names ( )

	naming
		See also addresses, domain names
		aliases ( )
		forged name avoidance ( )
		macros ( )
		mail host name set ( )
		mailboxes ( )
		mailer internal names ( ) ( ) ( )
		schemes for, sendmail program and ( )
		sendmail recipient names format ( ) ( )

	net mail groups, mailbox names for ( )

	network domain names ( )

	newaliases program ( ) ( ) ( )

	NFS-mounted file systems
		mail clients and ( ) ( ) ( )
		mail servers and ( ) ( ) ( )
		mailboxes and ( ) ( ) ( )

	NIS
		aliases (mail.aliases map) ( ) ( ) ( )
			administering ( ) ( ) ( ) ( )
			creating ( ) ( ) ( )
			described ( )
			host aliases ( )
			/etc/mail/aliases file and ( ) ( )
			postmaster alias ( ) ( )
			root alias ( )
		DNS and ( ) ( )
		forwarding mail and ( )
		hosts.byname map ( ) ( ) ( ) ( )
		local mail and remote connection configuration and ( )
		local mail only configuration and ( )
		mail domain name ( ) ( ) ( )
		remote mail configuration and ( )
		sendmail program requirements for ( ) ( )

	NIS+
		aliases (mail_aliases table) ( ) ( ) ( )
			adding entries ( ) ( )
			administering ( ) ( ) ( ) ( )
			changing entries ( )
			creating ( ) ( )
			deleting entries ( )
			described ( ) ( )
			host aliases ( )
			initiating ( )
			listing ( ) ( )
			postmaster alias ( )
		DNS and ( ) ( )
		forwarding mail and ( )
		host table ( ) ( )
		local mail and remote connection configuration and ( )
		local mail only configuration and ( )
		mail domain name ( ) ( ) ( )
		remote mail configuration and ( )
		sendmail program requirements for ( ) ( )
		sendmailvars.org_dir file ( ) ( ) ( ) ( ) ( ) ( ) ( )

	nistbladm command ( )

	notification daemon ( )

	nsswitch.conf file ( ) ( ) ( )


O

	O7 option (sendmail.cf file) ( )

	-o argument (sendmail program)
		See also sendmail.cf file, options

	$o macro (sendmail program) ( )

	OA option (sendmail.cf file) ( )

	Oa option (sendmail.cf file) ( )

	OB option (sendmail.cf file) ( )

	Ob option (sendmail.cf file) ( )

	OC option (sendmail.cf file) ( )

	Oc option (sendmail.cf file) ( )

	OD option (sendmail.cf file) ( )

	Od option (sendmail.cf file) ( ) ( )

	OE option (sendmail.cf file) ( )

	Oe option (sendmail.cf file) ( ) ( )

	Of option (sendmail.cf file) ( )

	OF option (sendmail.cf file) ( ) ( )

	Og option (sendmail.cf file) ( ) ( )

	OH option (sendmail.cf file) ( )

	Oh option (sendmail.cf file) ( )

	OI option (sendmail.cf file) ( )

	Oi option (sendmail.cf file) ( )

	OJ option (sendmail.cf file) ( )

	Oj option (sendmail.cf file) ( )

	OK option (sendmail.cf file) ( )

	Ok option (sendmail.cf file) ( )

	OL option (sendmail.cf file) ( )

	Ol option (sendmail.cf file) ( )

	OM option (sendmail.cf file) ( )

	Om option (sendmail.cf file) ( )

	On option (sendmail.cf file) ( )

	OO option (sendmail.cf file) ( ) ( )

	Oo option (sendmail.cf file) ( )

	OP option (sendmail.cf file) ( )

	Op option (sendmail.cf file) ( )

	operation mode arguments (sendmail program) ( )

	options
		See sendmail.cf file, options

	OQ option (sendmail.cf file) ( )

	Oq option (sendmail.cf file) ( ) ( ) ( )

	Or option (sendmail.cf file) ( ) ( )

	OS option (sendmail.cf file) ( )

	Os option (sendmail.cf file) ( )

	Ot option (sendmail.cf file) ( )

	OT option (sendmail.cf file) ( ) ( )

	Ou option (sendmail.cf file) ( ) ( )

	output, stripping to seven bits ( )

	OV option (sendmail.cf file) ( )

	Ov option (sendmail.cf file) ( )

	Ow option (sendmail.cf file) ( )

	owner- prefix, mailbox names ( )

	Ox option (sendmail.cf file) ( ) ( )

	OX option (sendmail.cf file) ( ) ( )

	OY option (sendmail.cf file) ( )

	Oy option (sendmail.cf file) ( )

	OZ option (sendmail.cf file) ( )

	Oz option (sendmail.cf file) ( )


P

	-p argument (sendmail program) ( )

	P code (qf files) ( )

	P control line (sendmail.cf file) ( )

	P field (mailer description) ( )

	-P flag (mailer description) ( )

	-p flag (mailer description) ( )

	$p macro (sendmail program) ( ) ( )

	p macro (sendmail.cf file) ( )

	parentheses (), in recipient names ( ) ( ) ( )

	path names
		mailers ( )
		.forward files ( )

	percent sign (%), in mailbox names ( )

	permissions
		See security

	PID, listing for listening daemon ( )

	planning mail systems ( )

	plus sign (+),, $+ address-rewriting metasymbol ( )

	postmaster, duties of ( )

	postmaster alias
		NIS or NIS+ ( ) ( )
		/etc/mail/aliases file ( ) ( ) ( )
		setting up ( ) ( )

	postmaster mailbox ( )
		creating ( ) ( )
		necessity for ( )
		testing ( )

	PostScript files, mailbox space requirements and ( )

	pound sign (#)
		$#mailer address-rewriting metasymbol ( )
		beginning of sendmail.cf lines ( )

	precedence setting (sendmail.cf file) ( )

	printing
		error messages ( )
		mail queue ( ) ( ) ( )

	priority factor ( )

	privacy options (sendmail.cf file) ( )

	problems
		See debugging

	prog mailer name ( )

	programs
		See also specific programs
		as sendmail message recipients ( )
		mail services ( ) ( )

	protocols
		See also Ethernet; SMTP; TCP/IP; UUCP
		sendmail program and ( )
		setting sending protocol ( )


Q

	-q argument (sendmail program) ( ) ( ) ( ) ( ) ( )

	$q macro (sendmail program) ( ) ( )

	qf files ( ) ( )

	question mark (?)
		headers and ( )
		in macros ( )

	queue
		See mail queue

	queue delivery mode ( ) ( )

	queueing messages for retransmission (sendmail program) ( )

	quotation marks
		See also double quotation marks (")
		stripping before calling mailer ( )


R

	-R argument (sendmail program) ( ) ( )

	R code (qf files) ( )

	R control line (sendmail.cf file) ( ) ( )

	R field (mailer description) ( )

	-r flag (mailer description) ( ) ( ) ( )

	$r macro (sendmail program) ( ) ( )

	R macro (sendmail.cf file) ( ) ( )

	R rule set ( ) ( ) ( )

	read timeouts ( ) ( ) ( )

	rebuilding alias databases ( ) ( )

	recipients
		See also multiple recipients
		checking after (sendmail.cf file) ( )
		files as recipients of sendmail messages ( ) ( )
		programs as recipients of sendmail messages ( )
		selecting ( ) ( )
		sendmail names format for ( ) ( ) ( )
		verifying ( ) ( )

	relay hosts
		See mail hosts

	relay mailers
		See mailers

	remote mail configuration ( ) ( )

	remote mode, mail client in ( )

	-request suffix, mailbox names ( )

	Return-Path: header line ( )

	returned messages
		See undelivered messages

	rewriting rules
		See addresses, rewriting rules

	RFCs
		configuration file construction and ( )
		RFC 821 ( ) ( )
		RFC 822 ( ) ( )
		RFC 976 ( )
		RFC 1006 ( )

	RHS, validating for aliases ( )

	right-hand side of mail addresses ( ) ( )

	rmail program ( )

	root alias
		NIS ( )
		/etc/mail/aliases file ( )

	route-based addressing ( )

	route-independent addressing ( )

	routers
		See also sendmail program

	routing
		explained ( ) ( )
		local addresses and ( )

	rules sets
		See addresses, rewriting rules


S

	-s argument (sendmail program) ( )

	S code (qf files) ( )

	S control line (sendmail.cf file) ( )

	S field (mailer description) ( ) ( )

	-s flag (mailer description) ( )

	-S flag (mailer description) ( ) ( ) ( )

	$s macro (sendmail program) ( ) ( )

	S rule set ( ) ( )

	security
		aliases databases ( ) ( )
		mail gateways and ( )
		mail servers ( )
		/etc/mail/aliases file ( ) ( )
		/var/mail directory ( )
		sendmail.cf file protection modes ( ) ( ) ( )
		sendmail.cf privacy options ( )
		version number macro and ( )

	semantics
		address-rewriting rules ( ) ( )
		mailer descriptions ( ) ( )

	send-only mode ( )

	senders, sending error messages to ( )

	sendmail.cf file ( ) ( )
		# at beginning of lines ( )
		address-rewriting rules ( ) ( ) ( ) ( ) ( )
			defining a rule (R) ( ) ( )
			error message generation ( )
			left-hand side ( )
			mailer-specific ( ) ( ) ( )
			metasymbols ($) ( ) ( )
			purpose of ( ) ( ) ( )
			right-hand side ( ) ( )
			rule set 0 ( ) ( ) ( ) ( ) ( )
			rule set 10 ( )
			rule set 11 ( )
			rule set 20 ( )
			rule set 21 ( ) ( )
			rule set 24 ( )
			rule set R ( ) ( ) ( )
			rule set S ( ) ( )
			semantics of ( ) ( )
			rule set 1 ( ) ( ) ( ) ( )
			rule set 2 ( ) ( )
			rule set 3 ( ) ( ) ( ) ( ) ( )
			rule set 4 ( ) ( ) ( )
			rule set 9 ( )
			setting current rule set (S) ( )
			special classes ( )
			special macros ($) ( ) ( )
			standard rule sets ( ) ( )
			testing ( ) ( )
		blank lines in ( )
		classes
			C class definition ( ) ( ) ( ) ( )
			case sensitivity ( )
			examples ( ) ( )
			F class definition ( )
			file containing ( )
			G class definition ( ) ( ) ( ) ( )
			sendmailvars ( )
			sendmailvars.org_dir ( )
			sendmailvars.org_dir table and ( ) ( ) ( )
			sendmailvars table and ( ) ( ) ( ) ( )
			special ( )
			V class ( ) ( ) ( )
		continuation lines in ( )
		defaults ( ) ( )
		delivery mode ( ) ( ) ( )
		described ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
		file protection modes ( ) ( ) ( )
		header definition (H) ( ) ( )
		level (V) ( )
		load limiting ( ) ( ) ( ) ( )
		log level ( ) ( ) ( )
		macros
			case sensitivity ( ) ( )
			conditionals ( )
			D macro definition ( ) ( ) ( ) ( ) ( )
			examples ( ) ( )
			file containing ( )
			L macro definition ( ) ( ) ( ) ( ) ( )
			m macro ( ) ( ) ( ) ( ) ( ) ( )
			naming macros ( )
			OM option ( )
			p macro ( )
			R macro ( ) ( ) ( )
			required macros ( ) ( )
			sendmailvars ( )
			sendmailvars.org_dir ( )
			sendmailvars.org_dir table and ( ) ( )
			sendmailvars table and ( ) ( ) ( ) ( ) ( )
			special ($) ( ) ( )
			uses for ( )
		mail clients and ( )
		mail domain name specification (Dm, DR, Lm) ( ) ( ) ( ) ( ) ( )
		mail gateways and ( ) ( ) ( )
		mail hosts and ( ) ( )
		mail servers and ( )
		mailers
			address-rewriting rules for ( ) ( ) ( )
			described ( ) ( )
			fields in mailer descriptions ( ) ( )
			flags in mailer descriptions ( ) ( ) ( ) ( ) ( ) ( )
			internal name specification (DM) ( ) ( )
			program and interface specification (M) ( ) ( )
			semantics of mailer descriptions ( ) ( )
		name service interaction ( ) ( )
		necessity for ( )
		options ( ) ( )
			O\| (group files unsafe) ( )
			Od (delivery mode) ( ) ( )
			OF (temporary queue file mode) ( ) ( )
			Og (group ID) ( ) ( )
			OO (server SMTP options) ( )
			Oq (queue factor) ( ) ( ) ( )
			Or (read timeouts) ( ) ( )
			OT (queue timeout) ( ) ( )
			Ou (user ID for mailers) ( ) ( )
			overview ( ) ( )
			OX (load average value) ( ) ( )
			Ox (load average value) ( ) ( )
		precedence setting (P) ( )
		purpose of ( ) ( )
		sample ( )
		syntax ( ) ( )
		time intervals ( ) ( ) ( )
			mail delivery speed ( ) ( )
			message timeouts ( ) ( ) ( )
			queue interval ( ) ( ) ( ) ( )
			read timeouts ( ) ( ) ( )
			time syntax options ( )
		trusted user definition (T) ( )
		tuning parameters ( ) ( )
		variables
			global vs. local ( )
			setting ( ) ( ) ( ) ( ) ( ) ( ) ( )
		vendor (V) ( )

	sendmail.hf file ( )

	sendmail.mx program ( )

	sendmail.pid file ( )

	sendmail program
		See also headers; main,cf file; mail queue; sendmail.cf file; undelivered messages
		See also sendmail.cf file
		"temporary failure" exit status ( )
		address parsing ( ) ( )
		alias usage by ( ) ( ) ( )
		argument processing ( )
		argument vector/exit status interface ( )
		arguments to ( ) ( ) ( ) ( )
			-B (body type) ( )
			-b (operation mode) ( )
			-ba (ARPANET mode) ( )
			-bd (daemon mode) ( ) ( )
			-bi (initialize alias database) ( )
			-bm (deliver mail) ( )
			-bp (print mail queue) ( ) ( )
			-bs (SMTP on input side) ( )
			-bt (test mode) ( ) ( ) ( ) ( )
			-bv (verify recipients) ( ) ( )
			-C (alternative configuration file) ( ) ( )
			-c (expensive mailers) ( )
			-d (debugging) ( ) ( ) ( )
			-e (error disposition) ( )
			-F (full name of user) ( )
			-f (obsolete) ( )
			-h (hop count) ( )
			-i (ignore dots) ( )
			-M (message-ID) ( )
			-m (send message to sender) ( )
			-n (aliasing/forwarding disallowed) ( )
			-o (options) ( )
			-p (sending protocol) ( )
			-q (queue interval/queue subset) ( ) ( ) ( ) ( ) ( )
			-R (recipient selection) ( ) ( )
			-s (UNIX-style From lines) ( )
			-t (carbon copies) ( )
			-T (queue timeout) ( )
			-v (verbose mode) ( ) ( ) ( ) ( )
			-X (logging) ( )
		as Internet mail gateway ( )
		binary data and ( )
		configuration overview ( ) ( )
		configuration parameter tuning ( ) ( )
		configuration table ( ) ( ) ( ) ( )
		debugging ( ) ( ) ( )
		defaults ( ) ( ) ( ) ( )
		described ( ) ( ) ( ) ( ) ( ) ( )
		error handling ( ) ( ) ( ) ( )
		error message logger ( ) ( ) ( ) ( ) ( )
		features ( ) ( )
		files as message recipients ( ) ( )
		functions of ( ) ( ) ( ) ( ) ( )
		how it works ( ) ( )
		implementation ( ) ( )
		interaction with other mail programs ( ) ( )
		interface between user and ( )
		interfaces between outside world and ( )
		mailbox creation by ( )
		message bodies and ( ) ( )
		message collection ( ) ( )
		message delivery ( )
		name parsing ( )
		name services requirements ( ) ( )
		naming schemes accepted by ( )
		network vs. mail domain names and ( )
		policy and mechanics specification for ( ) ( )
		programs as message recipients ( )
		recipient names format ( ) ( )
		RFC 822 and ( )
		.forward files ( ) ( ) ( )
		"Services unavailable" message ( )
		/usr/bin links to ( )
		SMTP and ( ) ( ) ( ) ( )
		starting ( ) ( )
		system log and ( ) ( ) ( ) ( ) ( )
		TCP connections ( )
		testing ( ) ( ) ( ) ( )

	sendmail.st file ( ) ( )

	sendmailvars.org_dir table ( ) ( ) ( ) ( ) ( )

	sendmailvars table ( ) ( ) ( ) ( ) ( ) ( ) ( )

	servers
		See mail servers

	"Services unavailable" message ( )

	setting up
		See configuring

	setuid, sendmail program and ( )

	seven-bit input ( )

	sharing /var directory ( )

	Simple Mail Transfer Protocol
		See SMTP

	size of messages ( )

	slash
		See backslash (\); forward slash (/)

	smartuucp mailer ( ) ( )

	SMTP (Simple Mail Transfer Protocol)
		Extended, running ( )
		headers ( )
		help file for ( ) ( )
		local host name added to From: line ( )
		mail delivery agent ( )
		mailer description semantics and ( )
		selecting when contacting another sendmail ( )
		sendmail program and ( ) ( ) ( ) ( )

	SMTP ports, mconnect cannot connect to ( )

	SMTP servers
		load limiting and ( ) ( )
		setting options ( ) ( )

	software components ( ) ( )

	speed
		See also time intervals
		mail-delivery ( ) ( )

	spooling space, mail servers ( )

	square brackets ([]), $[host$] address-rewriting metasymbol ( ) ( )

	statistics ( ) ( )

	stripping
		input to seven bits ( )
		output to seven bits ( )
		quotation marks before calling mailer ( )

	subsidiary.cf file ( ) ( ) ( ) ( ) ( ) ( )

	SunOS 4.1, filter for mailbox format ( )

	synchronous delivery mode ( ) ( )

	syntax
		sendmail.cf file ( ) ( )
		time syntax options ( )

	syslog.conf file ( ) ( )

	syslogd program ( ) ( ) ( )

	system log ( ) ( ) ( ) ( ) ( )


T

	-t argument (sendmail program) ( )

	-T argument (sendmail program) ( )

	T code (qf files) ( )

	$t macro (sendmail program) ( ) ( )

	table (aliases)
		See NIS+, aliases (mail_aliases table)

	TCP connections
		mailer description semantics and ( ) ( )
		SMTP over, sendmail program and ( )

	TCP/IP networks
		mail delivery agent for ( )
		sendmail program and ( )

	temporary file protection modes ( )

	temporary queue file mode ( )

	testing
		See also debugging; troubleshooting
		address-rewriting rules ( ) ( )
		aliases ( )
		connections to other systems ( ) ( )
		mail configuration ( )
		recipient verification ( ) ( )
		RHS for aliases ( )
		sendmail program ( ) ( ) ( ) ( )

	time intervals ( ) ( ) ( )
		@:@ in alias database ( )
		mail delivery speed ( ) ( ) ( )
		message timeouts ( ) ( ) ( )
		queue interval ( ) ( ) ( ) ( )
		read timeouts ( ) ( ) ( )
		time syntax options ( )

	time zone, setting ( )

	To: header line ( ) ( )

	top-level domains ( )

	tracking messages ( ) ( )

	transport agents
		See also sendmail program
		defined ( )

	troubleshooting
		See also debugging; testing
		aliases ( )
		duplicate message copies ( )
		mail delivered to wrong address ( ) ( )
		MAILER-DAEMON messages and ( )
		mailstats program and ( )
		sendmail program ( )
		system log and ( )
		tracing message route ( ) ( )
		.forward files and ( ) ( )
		undelivered mail ( ) ( ) ( )
		verifying connections to other systems ( )

	trusted user definition (sendmail.cf file) ( )


U

	-U flag (mailer description) ( )

	-u flag (mailer description) ( )

	$u macro (sendmail program) ( ) ( ) ( ) ( ) ( )

	undelivered messages
		See also troubleshooting
		error-caused ( )
		storage of ( ) ( )
		timeout for ( ) ( ) ( )
		troubleshooting ( ) ( ) ( )

	underscore (_), in mailbox names ( )

	UNIX argument vector/exit status interface, sendmail program ( )

	UNIX over pipes interface, sendmail program ( )

	UNIX-style From lines ( ) ( ) ( ) ( )

	UNIX-to-UNIX Copy
		See uucp mailer; UUCP (UNIX-to-UNIX Copy Protocol)

	uppercase preservation
		host names ( )
		user names ( )

	user agents
		See mail user agents

	user ID for mailers
		resetting not done ( )
		setting default ( )

	user names
		mailbox names and ( )
		uppercase preserved ( )

	users
		alias creation by ( )
		custom mailer specification by ( )
		full name argument (sendmail program) ( )

	/usr/bin/aliasadmin command
		See aliasadmin command

	/usr/bin directory, mail services contents ( )

	/usr/bin/mail command ( ) ( ) ( )

	/usr/bin/mailcompat filter ( )

	/usr/bin/mailq command ( ) ( ) ( ) ( )

	/usr/bin/mailstats program ( ) ( )

	/usr/bin/mailx command
		See mailx command

	/usr/bin/mconnect program ( ) ( )

	/usr/bin/newaliases program ( ) ( ) ( )

	/usr/bin/rmail program ( )

	/usr/bin/vacation command ( ) ( ) ( )

	/usr/lib directory, mail services contents ( )

	/usr/lib/mail.local mailer ( ) ( )

	/usr/lib/sendmail program
		See sendmail program

	/usr/sbin/in.comsat daemon ( )

	/usr/sbin/syslogd error message logger ( ) ( ) ( )

	UUCP (UNIX-to-UNIX Copy Protocol)
		mailer description semantics and ( )
		mailers using ( )
		route-based addressing and ( )
		route-independent addressing and ( )
		sendmail program and ( )

	uucp mailer
		described ( )
		mail gateway configuration and ( )
		sendmail program and ( )
		specifying in sendmail.cf ( )
		testing mail configuration with ( )

	uux mailer ( )


V

	-v argument (sendmail program) ( ) ( ) ( ) ( )

	V class (sendmail.cf file) ( ) ( ) ( )

	V control line (sendmail.cf file) ( )

	$v macro (sendmail program) ( ) ( )

	vacation command ( ) ( ) ( )

	validating
		See testing

	/var directory ( )

	/var/mail directory
		automatic mounting of ( ) ( )
		local mail and remote connection configuration and ( )
		local mail only configuration and ( )
		mail client configuration and ( ) ( )
		mail servers configuration and ( ) ( ) ( )
		mailboxes created by sendmail program in ( )
		mounting ( ) ( )
		remote mail configuration and ( )
		remote mail only configuration and ( )
		security permissions ( )

	/var/mail/username files ( ) ( )

	/var/spool/mqueue directory ( ) ( ) ( )

	variables (sendmail.cf file) ( ) ( ) ( ) ( ) ( ) ( ) ( )

	vendor, specifyng in sendmail.cf ( )

	verbose mode (sendmail program) ( ) ( ) ( ) ( ) ( )

	verifying
		See testing

	version number macro, security and ( )

	vertical bar (\|)
		in macros ( )
		in recipient names ( )

	vfstab file
		See /etc/vfstab file


W

	$=w class ( ) ( )

	$w macro (sendmail program) ( ) ( )


X

	-X argument (sendmail program) ( )

	X-Authentication-Warning: header, line ( )

	-X flag (mailer description) ( )

	-x flag (mailer description) ( )

	$x macro (sendmail program) ( ) ( )


Z

	$z macro (sendmail program) ( ) ( )

Previous: Appendix B sendmail Options