[Dovecot] Windows Mobile and IMAP proxy

[Onno Molenkamp]

Hi,

We are running Dovecot proxies in front of our Dovecot IMAP servers, and were 
having problems with Windows Mobile clients not being able to connect. The 
clients would send a LOGIN command, and immediately after the succes reply a 
LOGOUT command.

It turns out the Windows Mobile IMAP client gets confused by the IMAP proxy 
first sending the command tag in the reply and then, in a seperate packet, the 
rest of the line. Although not being able to handle this looks like a very bad 
design to me (how can one ever expect to read a full line in a single read() 
call?) I fixed it in our Dovecot proxies because we do have clients that want 
to use it.

Attached is my fix for the problem.

Onno
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