Re: [exim] smtp_auth ? 535 Incorrect authentication data BUT…

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Author: Wakko Warner
Date:  
To: Herb Martin
CC: exim-users
Subject: Re: [exim] smtp_auth ? 535 Incorrect authentication data BUTstill send emails ?
Herb Martin wrote:
> > [mailto:exim-users-bounces@exim.org] On Behalf Of John W. Baxter
> > Microsoft likes to try one or more bogus authentications
> > before trying the one the user told them to try per the
> > configuration. You may be seeing that (check the log for
> > what the same IP does shortly after the failure).
> >
> > --John
>
> I posted over the weekend about problems with Outlook
> failing SPA-NTLM once, each time it sends email, and
> then (apparently) succeeding SPA-NTLM authentication
> anyway.
>
> Apparently, Outlook is NOT sending the configured/specified
> username and password on the first try (but since SPA-NTLM
> is encrypted I don't know quite how to prove that.)
>
> Do you have any other evidence or pointers to Outlook or
> Outlook Express trying the "wrong" authentication before
> it does the correct method/user/password combination?


I have noticed this myself when testing with outlook 2000 and xp. It would
only authenticate as the username/password that you used when logging into
your workstation.

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