Mention smtpctl encrypt subcommand.
Merge pull request #366 from snimmagadda/table

Mention smtpctl encrypt subcommand.
Merge branch 'master' of https://github.com/poolpOrg/OpenSMTPD
Merge branch 'master' into portable
Rework the envelope flushing loops in mta to avoid sending all delivery
notifications in one go to the queue.
Merge branch 'master' into portable