[Dovecot] 1.1rc1 signal 6 crash (with backtrace)

[Ralf Hildebrandt]

* Timo Sirainen <tss at iki.fi>:

>> User has a huge mailbox, probably the client runs into a timeout and
>> disconnects.
>
> No, the user logged in normally using LOGOUT command (cmd_logout() is  
> called). Hmm. Maybe the client is trying to pipeline commands and issues a 
> logout while another command is still running. Any idea what the client 
> is?

Thunderbird