On 4/30/21 8:44 AM, Wietse Venema wrote: > @lbutlr: >> On 29 Apr 2021, at 17:05, Wietse Venema <wie...@porcupine.org> wrote: >>> This release requires "postfix stop" before updating, or before >>> backing out to an earlier release, because some internal protocols >>> have changed. Otherwise, long-running daemons (pickup, qmgr, >>> verify, tlsproxy, postscreen) may fail to communicate with the >>> rest of Postfix, causing mail delivery delays until Postfix is >>> restarted. >> >> This seems to be contradicting itself. Do we have to stop postfix before = >> updating, or do we have to restart postfix after updating? > > No it doesn't. > > You must STOP Postfix before updating or backing out. > > If you don't STOP then you must RESTART to clean up the mess > that you created. > > Wietse
Is it possible for mail to be lost and/or mishandled as a result, or will the mess resolve itself when Postfix is restarted? Demi
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