Changing sendmail.cf

Remember that horrible configuration file, /etc/mail/sendmail.cf ? Yes, you do need to change it. Do not edit sendmail.cf directly, however. Sendmail actually includes tools to build this configuration file out of other configuration files. Yes, this is strange by today's standards, but when Sendmail was created it was cutting edge. (I am assured that this is what young, hip people call, "Kickin' It Old Skool."')

FreeBSD includes two .cf files, sendmail.cf and submit.cf. The sendmail.cf file configures Sendmail to transmit email to other systems and to the inbound Sendmail process, if running. Sendmail uses the submit.cffile only if in the submit configuration, and then only for processing the local unsent email queue. The ...

Get Absolute FreeBSD, 2nd Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.