My SMTP cheat sheet
Today is the day when my SMTP server didn’t want me to relay mail after authentication… This is probably my fault as I may have change something without remembering it. Anyway, here the commands to use to talk SMTP to your favorite server.
My IMAP cheat sheet
When I want to check if an IMAP server is working properly, I telnet it and run basics commands. Here are (IMAP) commands that I keep using.