Originally Posted by intars
suse:~ # telnet localhost 110
Connected to localhost.
Escape character is '^]'.
+OK Hello there.
+OK Password required.
-ERR Maildir: No such file or directory
Connection closed by foreign host.
User <intars> I create in installation process.
Ok, you're using Maildir. The Maildir is created upon the first email that arrives at that account, therefore send a test email to that account, then the error message will disappear.