Open Source Mail Transfer Agent. Exim is one of the most flexible open source mail transfer agent which can be used as the replacement of the default mail transfer agent of the most unix systems. Exim is an open source mail transfer agent mta which is software responsible for receiving routing and delivering e mail messages this type of program is sometimes referred to as an internet mailer or a mail server program.
These go by various names including postfix sendmail qmail exim et al. This list will help you. Some of the most important features of this linux mail server are listed below.
It has spread both as free software and proprietary software.
It offers useful features like junk mail control database support and. Open source mail transfer agent for unix based systems postfix is a powerful mail transfer agent for email routing and delivery. Contents 1 overview 2 acquisition by proofpoint inc. Originally written in 1997 by wietse venema at the ibm thomas j.