[Dovecot] Possible erroneous "aborted login attempts"

[Timo Sirainen]

On Sun, 2010-08-29 at 23:02 -0400, Jerrale G wrote:
> Aug 29 22:51:27 server1 dovecot: imap-login: Aborted login (no auth 
> attempts): rip=(obfuscated), lip=173.50.101.12, TLS
> Aug 29 22:51:27 server1 dovecot: imap-login: Login: user=...........
> 
> before most every successful login, the same second of time, dovecot has 
> the above message.

Well, there's something wrong. Have you tried manually logging in with
telnet?

telnet localhost 143
a login username password

Does that log it? If not, try next from remote host. And maybe in case
it's related TLS try:

openssl s_client -connect localhost:993