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Subject: Re: SMTP AUTH and MUAs
From: Wietse Venema (wietseporcupine.org)
Date: Mon Jun 05 2000 - 07:20:50 CDT

Artur Frysiak:
> On Mon, Jun 05, 2000 at 12:10:29PM +0200, Marek Habersack wrote:
>
> > So far, only Netscape Messenger works with the latest Postfix using
> > authetication - Outlook Express from MS Office (5.00) doesn't work, Eudora
> > PRO also fails to use the AUTH mechanism.
>
> MS Outlook Express requires SASL LOGIN mechanism. Eudora 4.x requires
> SASL CRAM-MD5 mechanism.

Whether or not an authentication method is supported depends on
how the SASL library is installed, and on how well the SASL library
supports your system.

When I installed the SASL library according to default procedures
on Solaris, Linux and FreeBSD, PLAIN authentication was supported,
but LOGIN wasn't.

Reportedly, some FreeBSD port of the SASL library actually does
support LOGIN authentication. It all depends on how the stuff is
installed.

        Wietse