Re: AUTH confirmation with SENDMAIL

Ken Hornstein via Cyrus-sasl <[email protected]> Mon, 29 Apr 2019 09:21:14 -0400
Newsgroups gmane.comp.security.cyrus.sasl
Message-ID <[email protected]>
>250-AUTH DIGEST-MD5 CRAM-MD5
>250-STARTTLS

A lot of the time applications either have a default configuration or are
hardwired to only offer "insecure" SASL mechanisms when session encryption
(like TLS) is being used.  Why don't you try:

  openssl s_client -connect smtp-server:smtp-port -crlf -starttls smtp

Do a EHLO, and see what is being offered as SASL mechanisms then.

--Ken