On Wed, Nov 19, 2025 at 02:06:20PM +0100, Jozsef Kadlecsik wrote:
> Thanks, that's an easily overlooked factor and can bite... I have just
> checked it and we had already set proper values for the database server to
> handle the possible number of connections from postfix.
I neglected to mention "proxy:mysql:...", which can help to
significantly reduce the number of concurrent connections, since a each
proxy service instance will typically handle multiple smtpd(8) and
cleanup(8) clients. If you're not using "proxy:", you probably should.
--
Viktor. 🇺🇦 Слава Україні!
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