Hello,

I am experiencing a strange issue with Thunderbird(1.5) and 
courier-imap(4.1.0), and I want to verify that it is not a problem with
how I have courier setup. I have imapd configured so that it enforces
STARTTLS on port 143, but when I connect to it with thunderbird I all I
get is the "You cannot log in to <my imap server> because the server has
disabled login" error message before I am even prompted for a
username/password. All other mail clients(mutt, eudora, imapproxy) that I
have tried that support STARTTLS work without any problems.

It almost seems like this is a bug in how thunderbird is doing STARTTLS.
It seems that it is seeing the LOGINDISABLED option and erroring out
before it even tries STARTTLS. There are no errors in any of my logs and
it seems to work up to the point where the SSL negotiation would take
place when I do it by hand. 

This is the options that the server advertises:
* OK [CAPABILITY IMAP4rev1 UIDPLUS CHILDREN NAMESPACE
* THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA IDLE STARTTLS
* LOGINDISABLED] Courier-IMAP ready. Copyright 1998-2005 Double
* Precision, Inc.  See COPYING for distribution information.

Does anyone know anything else I could try(debug methods, a way to
simulate a STARTTLS IMAP session by hand, other mail clients that I
could try) to make sure this is not a problem on my end.

Has anyone heard of or experienced any Thunderbird problems similar to
this?

Thanks for your help!

-Scott

-- 
==============================================
Scott Koch                                    
CS Undergraduate & UTKCS System Administrator 
865-974-3840 / [EMAIL PROTECTED]                
http://www.cs.utk.edu/~koch                     
==============================================


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