On Mon, Aug 30, 2004 at 09:53:38PM +0200, Olaf Föllinger said:
> On Mon, Aug 30, 2004 at 09:26:26PM +0200, Olaf Foellinger wrote:
> > I'm trying to connect to an Exchange server which is configured to use
> > encryption and authentication. I get the error message
> >
> > 2004-08-30 21:22:49 I39XBN-0001D4-MO == of@??? R=send_to_smart_host
> > T=remote_smtp defer (-42): authentication required but no common
> > mechanisms were found
> >
> > How do I find out which mechnisms are supported by the server?
>
> O.k., I've found out by adding all mechanisms that are documented. The
> server uses LOGIN.
The simplest would be to just ask what is offered, for example:
steve@gashuffer:~$ nc mail 25
220 mail.lobefin.net ESMTP Exim 4.34 Mon, 30 Aug 2004 17:40:19 -0400
ehlo me
250-mail.lobefin.net Hello
www.lobefin.net [216.158.52.108]
250-SIZE 52428800
250-AUTH LOGIN PLAIN
250-STARTTLS
250 HELP
That machine offers LOGIN and PLAIN.
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