Definitions for "Postfix "
Keywords:  sendmail, upset, venema, wietse, ish
Postfix is an attempt to provide an alternative to the widely-used Sendmail program. Postfix attempts to be fast, easy to administer, and hopefully secure, while at the same time being sendmail compatible enough to not upset your users.
What is Postfix? It is Wietse Venema's mailer that started life as an alternative to the widely-used Sendmail program. Postfix attempts to be fast, easy to administer, and secure, while at the same time being sendmail compatible enough to not upset existing users. Thus, the outside has a sendmail-ish flavor, but the inside is completely different. (from http://www.postfix.com/)
Postfix is a free software / open source mail transfer agent (MTA), a computer program for the routing and delivery of email. It is intended as a fast, easy-to-administer, and secure alternative to the widely-used Sendmail MTA.
Keywords:  syllable, suffix, annex, affix, letter
A letter, syllable, or word, added to the end of another word; a suffix.
To annex; specifically (Gram.), to add or annex, as a letter, syllable, or word, to the end of another or principal word; to suffix.
an affix that is added at the end of the word
A way of writing mathematical expressions with the operators after the operands.
The sequence of specifying instructions and data in which the operation follows the data. For example, adding one and two would be done as 1 2 +. Postfix is also referred to as reverse Polish notation. In the case of a user interface, postfix order requires that an object or objects be selected first. Then the operation to be applied is specified.