sendmail AUTH

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(*) Followup-To

  comp.mail.sendmail

I suggest we take this thread to comp.mail.sendmail.
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Here's what I see when I say ``HELP'' to my sendmail:

214-2.0.0 This is sendmail version 8.18.1
214-2.0.0 Topics:
214-2.0.0       HELO    EHLO    MAIL    RCPT    DATA
214-2.0.0       RSET    NOOP    QUIT    HELP    VRFY
214-2.0.0       EXPN    VERB    ETRN    DSN     AUTH
214-2.0.0       STARTTLS
214-2.0.0 For more info use "HELP <topic>".
214-2.0.0 To report bugs in the implementation see
214-2.0.0       http://www.sendmail.org/email-addresses.html
214-2.0.0 For local information send email to Postmaster at your site.
214 2.0.0 End of HELP info

It shows AUTH.  But it doesn't show anything else such as PLAIN or
CRAM-MD5.  What does that mean?  What kind of AUTH support do I have at
the moment?

I have no cyrus packages installed on this FreeBSD.  If AUTH suffices to
me, then I wouldn't install anything else.

# pkg info | grep cyrus
#

# uname -a
FreeBSD my.host.name 14.1-RELEASE-p5 FreeBSD 14.1-RELEASE-p5 GENERIC amd64