Windows favors multi-threading, which means that a service is implemented by one single process.

Qmail out of the box works fine, so people will want to use it regardless of licensing restrictions, even when the software does not ship with their system software.

The challenge with Postfix, or with any piece of software, is to update software without introducing problems.

Lack of documentation is becoming a problem for acceptance.

Windows favors multi-threading, which means that a service is implemented by one single process.

As of today, the Postfix mail transport agent has almost 50,000 lines of code, comments not included.

This will surprise some of your readers, but my primary interest is not with computer security. I am primarily interested in writing software that works as intended.