System Administration Guide: Network Services

Other Files Used for Mail Services

Several other files and directories are used for mail services, as shown in Table 14–11.

Table 14–11 Other Files Used for Mail Services

Name 

Type 

Description 

/etc/default/sendmail

File 

Lists the environment variables for the startup script for sendmail.

/etc/shells

File 

Lists the valid login shells. 

/etc/mail/cf/sh

Directory 

Contains shell scripts that are used by the m4 build process and migration aids.

/usr/sbin/check-permissions

File 

Checks permissions of :include: aliases and .forward files and their parent directory path for correct permissions.

/usr/sbin/check-hostname

File 

Verifies that sendmail is able to determine the fully qualified host name.

/usr/sbin/editmap

File 

Queries and edits single records in database maps for sendmail.

/usr/sbin/in.comsat

File 

Mail notification daemon. 

/usr/sbin/makemap

File 

Builds binary forms of keyed maps. 

/usr/sbin/newaliases

Symbolic Link 

A symbolic link to /usr/lib/sendmail. Used to create the binary form of the alias database. Previously in /usr/bin.

/usr/sbin/syslogd

File 

Error message logger, used by sendmail.

/usr/sbin/etrn

File 

Perl script for starting the client-side remote mail queue. 

/usr/dt/bin/dtmail

File 

CDE mail user agent. 

/var/mail/mailbox1, /var/mail/mailbox2

File 

Mailboxes for delivered mail. 

/var/spool/clientmqueue

Directory 

Storage for mail that is delivered by the client daemon. 

/var/spool/mqueue

Directory 

Storage for mail that is delivered by the master daemon. 

/var/run/sendmail.pid

File 

File that lists the PID of the listening daemon.