Mailcow-dockerized: Disable rspamd
Hey, I love mailcow and have been running it for a while now. I'd like to run my domain being a little more liberal with its spam rules (and perhaps using cheaper hosting) and think this would be feasible if I could turn off rspamd, which I gather uses more memory than anything else.
I'd like to be able to set a flag somewhere in the UI to use greylisting only for spam filtering. Does this sound feasible?
jmthackett
All 2 comments
Rspamd does more than just spam filtering for Mailcow. It also does DKIM signing and rate limiting for outbound messages. That鈥檚 why we don鈥檛 provide a configuration option to disable it. Greylisting is also done by rspamd. If you are tight on memory, you could switch off the actual spam filtering modules though in the rspamd config files.
I鈥榤 not sure how useful greylisting is nowadays; it seems like even the spammers retry after a few minutes. It鈥榮 no big deal, however: I seem to catch almost all my spam with the DNSBLs already, and those are evaluated within Postfix.
mkuron
on 29 Jun 2019
You should also check why a mail is greylisted in first place. There is always a reason.
andryyy
on 29 Jun 2019
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Most helpful comment
Rspamd does more than just spam filtering for Mailcow. It also does DKIM signing and rate limiting for outbound messages. That鈥檚 why we don鈥檛 provide a configuration option to disable it. Greylisting is also done by rspamd. If you are tight on memory, you could switch off the actual spam filtering modules though in the rspamd config files.
I鈥榤 not sure how useful greylisting is nowadays; it seems like even the spammers retry after a few minutes. It鈥榮 no big deal, however: I seem to catch almost all my spam with the DNSBLs already, and those are evaluated within Postfix.