You have misconfigured Dovecot's auth sockets. Providing doveconf -n output would help figuring out the problem. Or just delete all the auth-related socket settings from config files and it should work.
On 9.7.2014, at 0.03, Lukas Haase <lukasha...@gmx.at> wrote: > May I gently "push" this? > The string "BUG: Authentication client sent unknown handshake command" > comes from dovecot (presumably it's in the source code) so I think it > shouldn't be too mysterious what's happening here. > > Thank you, > Luke > > On 2014-07-03 19:10, Lukas Haase wrote: >> Hi, >> >> Some time ago my dovecot started to become BUGgy: Evertime I restart the >> system, dovecot is started but I cannot login. I see the following >> information in the logs: >> >> Jul 4 04:04:36 mail dovecot: auth: >> passwd-file(user,127.11.91.218,<nfkQjFT9vwCADFra>): no passwd file: >> /etc/dovecot/imap.passwd >> Jul 4 04:04:36 mail dovecot: auth: Error: BUG: Authentication client >> sent unknown handshake command: >> REQUEST?1183186945?20438?1?a8c7241e7b0778f9f0125da760cd16fa >> Jul 4 04:04:36 mail dovecot: imap: Error: Authentication server didn't >> send valid SPID as expected: MECH#011PLAIN#011plaintext >> Jul 4 04:04:36 mail dovecot: imap: Error: Disconnected from auth >> server, aborting (client-pid=20438 client-id=1) >> Jul 4 04:04:36 mail dovecot: imap-login: Internal login failure >> (pid=20438 id=1) (internal failure, 1 succesful auths): user=<user>, >> method=PLAIN, rip=127.11.91.218, lip=73.82.101.172, mpid=20439, TLS, >> session=<nfkQjFT9vwCADFra> >> >> It does not help to restart the client. But when I then restart the server >> service dovecot restart >> it works again. >> >> But this is very dangerous because the server might reboot and I might >> not immideately have the chance to restart dovecot manually. >> >> What's going on here? >> >> mail:/# uname -a >> Linux mail 2.6.32-openvz-042stab090.2-amd64 #1 SMP Sat Jun 21 00:22:42 >> MSK 2014 i686 GNU/Linux >> mail:/# dovecot --version >> 2.1.7 >> >> Thanks, >> Luke >>
