From: Anne Wilson (cannewilsongooglemail.com)
Date: Thu Mar 20 2008 - 14:51:00 CDT

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On Thursday 20 March 2008 19:37:23 Patrick Ben Koetter wrote:
> * mouss <moussnetoyen.net>:
> > Anne Wilson wrote:
> >> Now I see
> >>
> >> 250-AUTH PLAIN LOGIN
> >> 250-AUTH=PLAIN LOGIN
> >
> > good.
> >
> >> which is more encouraging. It also approved a PLAIN authentication,
> >> though not a LOGIN one - perhaps you wouldn't expect it to on the same
> >> base64-encoded password?
> >
> > LOGIN is a different protocol. it's obsolete but is needed for broken
> > clients. you can try authenticating from an outofluck and see if it
> > works.
>
> If you serve Outlook and/or Outlook Express you need to offer LOGIN unless
> you offer NTLM. NTLM however requires that the server has access to the
> passwords in plaintext - not everybodies pair of shoes.
>
Academically, that's interesting :-) - but only academically. I've never used
Outlook in any of its incarnations, and I have my family firmly trained to
keep away from it, so it's not a problem to me.

> LOGIN authentication differs from PLAIN authentication. Other than in PLAIN
> authentication LOGIN sends authentication data in a multistep dialogue and
> not at once. Here's a typical LOGIN session:
>
> (S: is server, C: is client)
>
> S: AUTH PLAIN LOGIN
> S: AUTH=PLAIN LOGIN
> ...
> C: AUTH LOGIN
> S: Username? (in base64 encoding)
> C: Username (in base64 encoding)
> S: Password? (in base64 encoding)
> C: Password (in base64 encoding)
> S: Authentication (successful|failed)
>
I did do this in a telnet session, and I did get a successful authentication.
It seems that that part of the equation is now correct. I wish I could
pinpoint where it's going wrong, though, as I can not get the imap resources
working.

Anne

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