Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

MFC: Merge sendmail 8.14.9

Approved by: re (delphij)

MFC: Remove local FreeBSD workaround now that upstream project has a better fix.

MFC: Merge sendmail 8.14.8

MFC: Temporarily revert sendmail 8.14.7 change to getipnodebyname() flags
to prevent problems between the resolver and Microsoft DNS servers with
AAAA lookups. The upstream open source project will work on a more
permanent fix for the next release. Issue noted by Pavel Timofeev.

MFC: Merge sendmail 8.14.7

MFC: Merge sendmail 8.14.6

MFC: Properly define true/false when defining __bool_true_false_are_defined
for filters which pull in mfapi.h before stdbool.h. Issue reported by
Petr Rehor, maintainer of amavisd-milter port.

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

Merge sendmail 8.14.5 to HEAD

MFC after: 4 days

Merge sendmail 8.14.4 to HEAD

MFC after: 4 days

Merge sendmail 8.14.3 into HEAD.

Note: As the first merge since the conversion to svn, it includes many
propset changes to get the proper svn:eol-style and svn:mime-type on the
files (as merged from the fixed up vendor/dist area).

MFC after: 3 days

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