1) Free software programmed in C
Found on
https://www.crosswordclues.com/clue/qmail
qmail is a mail transfer agent (MTA) that runs on Unix. It was written, starting December 1995, by Daniel J. Bernstein as a more secure replacement for the popular Sendmail program. qmail`s source code is in the public domain. It is also free software. ==Features== ===Security=== When first published, qmail was the first security-aware mail trans....
Found on
http://en.wikipedia.org/wiki/Qmail
is one of the more popular email servers also called a SMTP server
Found on
https://www.encyclo.co.uk/local/22605
No exact match found.
