The challenge with Postfix, or with any piece of software, is to update software without introducing problems.
Wietse VenemaIn a previous life I wrote the software that controlled my physics experiments. That software had to deal with all kinds of possible failures in equipment. That is probably where I learned to rely on multiple safety nets inside and around my systems.
Wietse VenemaWindows favors multi-threading, which means that a service is implemented by one single process.
Wietse VenemaAt the time the Sendmail program had a very poor reputation with respect to security, with four root vulnerabilities per year for two successive years.
Wietse Venema