Postfix
From wikinotes
Postfix is a sendmail server. You can use it to send mail.
You may also be interested in dovecot (mail server - receive).
Documentation
All Commands http://www.postfix.org/OVERVIEW.html
Locations
/usr/local/etc/postfix/main.cf
Primary Postfix Config
Supplementary Docs
Textbooks
O'Reilly Definitive guide to postfix See calibre Tutorials
send-only SMTP server https://sbcode.net/prometheus/smtp-server/ Simple Dovecot/Postfix Server Instructions https://www.vultr.com/docs/simple-mailserver-postfix-dovecot-sieve-freebsd-10 FreeBSD Postfix Setup http://www.area536.com/projects/complete-freebsd-mail-server/postfix-youve-got-incoming/
Notes
postfix install postfix configuration postfix configurations