mirr...@gmail.com: > Good morning, > > may I ask you for advice with a three beginner questions? I am new to > postfix, and I do not want to catch bad habits early on.. > > 1) I was surprised, that when I install postfix as "internet computer", it > switches on TSL support. Postfix generates certifikate and key in
Postfix does not turn on TLS. Perhaps some distributor believes they know better, and have turned it on for you. > 2) I comment out TSL in main.cf and telnet from one of my client computers > (lets call it "PC1", Windows XP and default telnet). Connections was closed > immediately with error 421. In mail.log it was always the same... Please see the mailing list welcome message for how to report a problem with Postfix. Wietse