Chapter 22. Mail Server Software

Table of Contents
Postfix-2.0.16
qmail-1.03
Sendmail-8.12.10
Exim-4.24
Qpopper-4.0.5
Courier-0.43.2

MTAs are the programs which transport mail from one machine to the other. The traditional MTA is sendmail however there are several other choices.

As well as SMTP servers there is a POP server (qpopper) and an IMAP server (Courier-IMAP).