OpenSMTPD

Sample configuration file

Sample file: /usr/local/etc/mail/smtpd.conf.sample

# This is the smtpd server system-wide configuration file.
# See smtpd.conf(5) for more information.

# To accept external mail, replace with: listen on all
listen on localhost

# If you edit the file, you have to run "smtpctl update table aliases"
table aliases file:/etc/aliases

# Uncomment the following to accept external mail for domain "example.org"
#accept from any for domain "example.org" alias <aliases> deliver to mbox

accept for local alias <aliases> deliver to mbox
accept for any relay
Monit

On FreeBSD, OpenSMTPD doesn't create a PID file.