As of today, the Postfix mail transport agent has almost 50,000 lines of code, comments not included.
Defect-free software does not exist.
Lack of documentation is becoming a problem for acceptance.
The Postfix security model is based on keeping software simple and stupid.
I was going to visit IBM for six months as a visiting scientist. Now, six months is a lot of time, so I came with a whole list of projects that I might want to work on.
Postfix keeps running even if one Postfix process dies; Windows requires that someone restarts the service.