Configuring SASL correctly for SMTP AUTH

Subject: Configuring SASL correctly for SMTP AUTH
From: Mark London (mrl at PSFC dot MIT dot EDU)
Date: Wed May 28 2003 - 11:23:59 EDT

Excuse me if these questions sound dumb:

Another person set up our cyrus imap with saslauthd authentication mechanism:

imapd.conf: sasl_pwcheck_method: saslauthd

I want to use the same username/passwords that are being used for imap, to be
used for SMTP authentication in sendmail. So I defined pwcheck_method:
saslauthd in /usr/local/lib/sasl/Sendmail.conf. I compiled sendmail with
SASL. I defined PLAIN to be a trusted authentication method. Should this
configuration work, and will it allow me to use SMTP authentication using
either Eudora or Netscape Messenger, using the same username and passwords
that you are used in imap? It unfortunately doesn't work, and the error
message in /var/log/messages is:
May 28 11:00:05 alcserv1 sendmail[15789]: unrecognized plaintext verifier

Bummer. I can't find out why this is happening. A configuration problem? A
protection problem? Any ideas? Thanks. - Mark

P.s. As an aside, with PLAIN authentication method enabled, Netscape 4.78
seems to require entering a username and password, there doesn't seem to be a
way to turn it off. Yeah this netscape is ancient, but it's hard to believe
that this is the case, so if there's a better configuration that avoids this
problem, I would appreciate knowing, although I realize this question might be
better posed on another mailing list.

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