Exim

Exim is a message transfer agent (MTA) originally developed

Free software · by Philip Hazel · exim.org

Open Exim in AirStack

What Exim’s own pages say

What it says it doesExim is a message transfer agent (MTA) originally developed exim.org
PlatformsUnix exim.org
Open sourceYes exim.org
Licenseunder the terms of the GNU General Public Licence exim.org

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.