mail/sendmail 8.17.1_2 -> 8.17.1_3 upgrade breaks SMTP AUTH

From: Greg Rivers <gcr+freebsd-ports_at_tharned.org>
Date: Thu, 14 Apr 2022 07:13:46 UTC
I haven't had time to troubleshoot yet, but performing subject upgrade via the "latest" pkg repo broke SMTP AUTH for me on two different systems. Restoring /usr/local/sbin/sendmail from a recent snapshot resolved the problem.

If no fix is forthcoming I'll gather more information and open a PR.

-- 
Greg