Re: Suddenly unable to log into Exchange IMAP account

[Pawel Salek <pawsa0 gmail com>]

On 04/01/2009 06:59:41 PM, Simon Brown wrote:
> On 01/04/09 17:48:49, Simon Brown wrote:
> > Looking at the info I'm guessing that they have changed
> > Authentication
> Comparing it to the successful mutt debug, mutt seems to be using NTLM
> what ever that is.

mutt is *trying* to use NTLM[1]...

> 4> a0003 AUTHENTICATE NTLM
> [cut]
> 4< a0003 NO AUTHENTICATE failed.

And then, it is falling back on LOGIN...

> Sending LOGIN command for user ds strath ac uk   
> 4< a0004 OK LOGIN completed.

Balsa does not fall back to weaker authentication schemes. One could  
argue that LOGIN is not weaker than AUTH PLAIN. LOGIN is however  
definitely weaker than NTLM.

Pawel
[1] http://en.wikipedia.org/wiki/NTLM