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Title: sendmail: Editing `/etc/sendmail.cf`

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sendmail: Editing `/etc/sendmail.cf`

Applies to

SuSE Linux: Versions up to (including) 4.4.1

Symptom:

When editing and testing /etc/sendmail.cf, errors occur or changes are simply irgnored.

Cause:

When installing a new package, YaST calls /sbin/SuSEconfig. Depending on the local configuration a new /etc/sendmail.cf is generated from the files /etc/sendmail.smtp.cf and /etc/sendmail.uucp.cf.

When changing rules in /etc/sendmail.cf tabulation stops must be used instead of blanks.

Solution:

Change either /etc/sendmail.smtp.cf or /etc/sendmail.uucp.cf. In order to use your own /etc/sendmail.cf, set the variable SENDMAIL_TYPE in /etc/rc.config to no. This can be done comfortably with YaST or manually with an editor followed by a call to /sbin/SuSEconfig. Please read in any case the chapter ``The SuSE boot concept'' in the manual.

The rules, assignments and comments in /etc/sendmail.cf are grouped together in columns, that must be separated by tabulation stops (TAB). For example in the following rule S1

##################################################
###  Ruleset 1 -- Sender Field Pre-rewriting   ###
##################################################
S1
Ruser					otheruser<@domain.name>
Ruser<@localhost.domain.name.>		otheruser<@domain.name>

there must be tabulation stops between Ruser in the first column and otheruser in the second one.

A third column - again separated by a tabulation stop - is a comment. There may of course not be any tabulation stops within one column.

See also:

sendmail with SMTP, but without DNS

Hostname, Domainname? What's that ?

Keywords: SENDMAIL, SENDMAIL.CF

Categories: Email

Feedback welcome: Send Mail to werner@suse.de (Please give the following subject: SDB-sendmail_2)