qmail

qmail is a secure, reliable, efficient, simple message transfer agent.

Free software · by Daniel J. Bernstein · cr.yp.to

Open qmail in AirStack

What qmail’s own pages say

What it says it doesqmail is a secure, reliable, efficient, simple message transfer agent. cr.yp.to
PlatformsAIX, BSD/OS, FreeBSD, HP/UX, Irix, Linux, OSF/1, Solaris, SunOS cr.yp.to

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.