Mail Administration Guide
    
S
 
 -s argument (sendmail program) ( Index Term Link )
 
 S code (qf files) ( Index Term Link )
 
 S control line (sendmail.cf file) ( Index Term Link )
 
 S field (mailer description) ( Index Term Link ) ( Index Term Link )
 
 -s flag (mailer description) ( Index Term Link )
 
 -S flag (mailer description) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
 
 $s macro (sendmail program) ( Index Term Link ) ( Index Term Link )
 
 S rule set ( Index Term Link ) ( Index Term Link )
 
 security
  aliases databases ( Index Term Link ) ( Index Term Link )
  mail gateways and ( Index Term Link )
  mail servers ( Index Term Link )
  /etc/mail/aliases file ( Index Term Link ) ( Index Term Link )
  /var/mail directory ( Index Term Link )
  sendmail.cf file protection modes ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  sendmail.cf privacy options ( Index Term Link )
  version number macro and ( Index Term Link )
 
 semantics
  address-rewriting rules ( Index Term Link ) ( Index Term Link )
  mailer descriptions ( Index Term Link ) ( Index Term Link )
 
 send-only mode ( Index Term Link )
 
 senders, sending error messages to ( Index Term Link )
 
 sendmail.cf file ( Index Term Link ) ( Index Term Link )
  # at beginning of lines ( Index Term Link )
  address-rewriting rules ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   defining a rule (R) ( Index Term Link ) ( Index Term Link )
   error message generation ( Index Term Link )
   left-hand side ( Index Term Link )
   mailer-specific ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   metasymbols ($) ( Index Term Link ) ( Index Term Link )
   purpose of ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   right-hand side ( Index Term Link ) ( Index Term Link )
   rule set 0 ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   rule set 10 ( Index Term Link )
   rule set 11 ( Index Term Link )
   rule set 20 ( Index Term Link )
   rule set 21 ( Index Term Link ) ( Index Term Link )
   rule set 24 ( Index Term Link )
   rule set R ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   rule set S ( Index Term Link ) ( Index Term Link )
   semantics of ( Index Term Link ) ( Index Term Link )
   rule set 1 ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   rule set 2 ( Index Term Link ) ( Index Term Link )
   rule set 3 ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   rule set 4 ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   rule set 9 ( Index Term Link )
   setting current rule set (S) ( Index Term Link )
   special classes ( Index Term Link )
   special macros ($) ( Index Term Link ) ( Index Term Link )
   standard rule sets ( Index Term Link ) ( Index Term Link )
   testing ( Index Term Link ) ( Index Term Link )
  blank lines in ( Index Term Link )
  classes
   C class definition ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   case sensitivity ( Index Term Link )
   examples ( Index Term Link ) ( Index Term Link )
   F class definition ( Index Term Link )
   file containing ( Index Term Link )
   G class definition ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   sendmailvars ( Index Term Link )
   sendmailvars.org_dir ( Index Term Link )
   sendmailvars.org_dir table and ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   sendmailvars table and ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   special ( Index Term Link )
   V class ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  continuation lines in ( Index Term Link )
  defaults ( Index Term Link ) ( Index Term Link )
  delivery mode ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  described ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  file protection modes ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  header definition (H) ( Index Term Link ) ( Index Term Link )
  level (V) ( Index Term Link )
  load limiting ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  log level ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  macros
   case sensitivity ( Index Term Link ) ( Index Term Link )
   conditionals ( Index Term Link )
   D macro definition ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   examples ( Index Term Link ) ( Index Term Link )
   file containing ( Index Term Link )
   L macro definition ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   m macro ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   naming macros ( Index Term Link )
   OM option ( Index Term Link )
   p macro ( Index Term Link )
   R macro ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   required macros ( Index Term Link ) ( Index Term Link )
   sendmailvars ( Index Term Link )
   sendmailvars.org_dir ( Index Term Link )
   sendmailvars.org_dir table and ( Index Term Link ) ( Index Term Link )
   sendmailvars table and ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   special ($) ( Index Term Link ) ( Index Term Link )
   uses for ( Index Term Link )
  mail clients and ( Index Term Link )
  mail domain name specification (Dm, DR, Lm) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  mail gateways and ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  mail hosts and ( Index Term Link ) ( Index Term Link )
  mail servers and ( Index Term Link )
  mailers
   address-rewriting rules for ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   described ( Index Term Link ) ( Index Term Link )
   fields in mailer descriptions ( Index Term Link ) ( Index Term Link )
   flags in mailer descriptions ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   internal name specification (DM) ( Index Term Link ) ( Index Term Link )
   program and interface specification (M) ( Index Term Link ) ( Index Term Link )
   semantics of mailer descriptions ( Index Term Link ) ( Index Term Link )
  name service interaction ( Index Term Link ) ( Index Term Link )
  necessity for ( Index Term Link )
  options ( Index Term Link ) ( Index Term Link )
   O| (group files unsafe) ( Index Term Link )
   Od (delivery mode) ( Index Term Link ) ( Index Term Link )
   OF (temporary queue file mode) ( Index Term Link ) ( Index Term Link )
   Og (group ID) ( Index Term Link ) ( Index Term Link )
   OO (server SMTP options) ( Index Term Link )
   Oq (queue factor) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   Or (read timeouts) ( Index Term Link ) ( Index Term Link )
   OT (queue timeout) ( Index Term Link ) ( Index Term Link )
   Ou (user ID for mailers) ( Index Term Link ) ( Index Term Link )
   overview ( Index Term Link ) ( Index Term Link )
   OX (load average value) ( Index Term Link ) ( Index Term Link )
   Ox (load average value) ( Index Term Link ) ( Index Term Link )
  precedence setting (P) ( Index Term Link )
  purpose of ( Index Term Link ) ( Index Term Link )
  sample ( Index Term Link )
  syntax ( Index Term Link ) ( Index Term Link )
  time intervals ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   mail delivery speed ( Index Term Link ) ( Index Term Link )
   message timeouts ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   queue interval ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   read timeouts ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   time syntax options ( Index Term Link )
  trusted user definition (T) ( Index Term Link )
  tuning parameters ( Index Term Link ) ( Index Term Link )
  variables
   global vs. local ( Index Term Link )
   setting ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  vendor (V) ( Index Term Link )
 
 sendmail.hf file ( Index Term Link )
 
 sendmail.mx program ( Index Term Link )
 
 sendmail.pid file ( Index Term Link )
 
 sendmail program
  See also headers; main,cf file; mail queue; sendmail.cf file; undelivered messages
  See also sendmail.cf file
  "temporary failure" exit status ( Index Term Link )
  address parsing ( Index Term Link ) ( Index Term Link )
  alias usage by ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  argument processing ( Index Term Link )
  argument vector/exit status interface ( Index Term Link )
  arguments to ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   -B (body type) ( Index Term Link )
   -b (operation mode) ( Index Term Link )
   -ba (ARPANET mode) ( Index Term Link )
   -bd (daemon mode) ( Index Term Link ) ( Index Term Link )
   -bi (initialize alias database) ( Index Term Link )
   -bm (deliver mail) ( Index Term Link )
   -bp (print mail queue) ( Index Term Link ) ( Index Term Link )
   -bs (SMTP on input side) ( Index Term Link )
   -bt (test mode) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   -bv (verify recipients) ( Index Term Link ) ( Index Term Link )
   -C (alternative configuration file) ( Index Term Link ) ( Index Term Link )
   -c (expensive mailers) ( Index Term Link )
   -d (debugging) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   -e (error disposition) ( Index Term Link )
   -F (full name of user) ( Index Term Link )
   -f (obsolete) ( Index Term Link )
   -h (hop count) ( Index Term Link )
   -i (ignore dots) ( Index Term Link )
   -M (message-ID) ( Index Term Link )
   -m (send message to sender) ( Index Term Link )
   -n (aliasing/forwarding disallowed) ( Index Term Link )
   -o (options) ( Index Term Link )
   -p (sending protocol) ( Index Term Link )
   -q (queue interval/queue subset) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   -R (recipient selection) ( Index Term Link ) ( Index Term Link )
   -s (UNIX-style From lines) ( Index Term Link )
   -t (carbon copies) ( Index Term Link )
   -T (queue timeout) ( Index Term Link )
   -v (verbose mode) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
   -X (logging) ( Index Term Link )
  as Internet mail gateway ( Index Term Link )
  binary data and ( Index Term Link )
  configuration overview ( Index Term Link ) ( Index Term Link )
  configuration parameter tuning ( Index Term Link ) ( Index Term Link )
  configuration table ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  debugging ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  defaults ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  described ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  error handling ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  error message logger ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  features ( Index Term Link ) ( Index Term Link )
  files as message recipients ( Index Term Link ) ( Index Term Link )
  functions of ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  how it works ( Index Term Link ) ( Index Term Link )
  implementation ( Index Term Link ) ( Index Term Link )
  interaction with other mail programs ( Index Term Link ) ( Index Term Link )
  interface between user and ( Index Term Link )
  interfaces between outside world and ( Index Term Link )
  mailbox creation by ( Index Term Link )
  message bodies and ( Index Term Link ) ( Index Term Link )
  message collection ( Index Term Link ) ( Index Term Link )
  message delivery ( Index Term Link )
  name parsing ( Index Term Link )
  name services requirements ( Index Term Link ) ( Index Term Link )
  naming schemes accepted by ( Index Term Link )
  network vs. mail domain names and ( Index Term Link )
  policy and mechanics specification for ( Index Term Link ) ( Index Term Link )
  programs as message recipients ( Index Term Link )
  recipient names format ( Index Term Link ) ( Index Term Link )
  RFC 822 and ( Index Term Link )
  .forward files ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  "Services unavailable" message ( Index Term Link )
  /usr/bin links to ( Index Term Link )
  SMTP and ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  starting ( Index Term Link ) ( Index Term Link )
  system log and ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  TCP connections ( Index Term Link )
  testing ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
 
 sendmail.st file ( Index Term Link ) ( Index Term Link )
 
 sendmailvars.org_dir table ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
 
 sendmailvars table ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
 
 servers
  See mail servers
 
 "Services unavailable" message ( Index Term Link )
 
 setting up
  See configuring
 
 setuid, sendmail program and ( Index Term Link )
 
 seven-bit input ( Index Term Link )
 
 sharing /var directory ( Index Term Link )
 
 Simple Mail Transfer Protocol
  See SMTP
 
 size of messages ( Index Term Link )
 
 slash
  See backslash (\); forward slash (/)
 
 smartuucp mailer ( Index Term Link ) ( Index Term Link )
 
 SMTP (Simple Mail Transfer Protocol)
  Extended, running ( Index Term Link )
  headers ( Index Term Link )
  help file for ( Index Term Link ) ( Index Term Link )
  local host name added to From: line ( Index Term Link )
  mail delivery agent ( Index Term Link )
  mailer description semantics and ( Index Term Link )
  selecting when contacting another sendmail ( Index Term Link )
  sendmail program and ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
 
 SMTP ports, mconnect cannot connect to ( Index Term Link )
 
 SMTP servers
  load limiting and ( Index Term Link ) ( Index Term Link )
  setting options ( Index Term Link ) ( Index Term Link )
 
 software components ( Index Term Link ) ( Index Term Link )
 
 speed
  See also time intervals
  mail-delivery ( Index Term Link ) ( Index Term Link )
 
 spooling space, mail servers ( Index Term Link )
 
 square brackets ([]), $[host$] address-rewriting metasymbol ( Index Term Link ) ( Index Term Link )
 
 statistics ( Index Term Link ) ( Index Term Link )
 
 stripping
  input to seven bits ( Index Term Link )
  output to seven bits ( Index Term Link )
  quotation marks before calling mailer ( Index Term Link )
 
 subsidiary.cf file ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
 
 SunOS 4.1, filter for mailbox format ( Index Term Link )
 
 synchronous delivery mode ( Index Term Link ) ( Index Term Link )
 
 syntax
  sendmail.cf file ( Index Term Link ) ( Index Term Link )
  time syntax options ( Index Term Link )
 
 syslog.conf file ( Index Term Link ) ( Index Term Link )
 
 syslogd program ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
 
 system log ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )