About

Postfix is a mail transfer agent (MTA) that supports ipv6, dnsbl, LDAP, SMTP AUTH (SASL) and TLS.

Postfix was written by Wietse Venema in 1997 and first released in December 1998 as IBM Secure Mailer.

It was designed to be highly secure and configurable, and is a drop-in replacement for , with much simpler configuration syntax.

The software was also formerly known as VMailer.

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