Cam wrote:

my mail server got slammed by ~1000 messages (they're legit), and
needs to deliver them , but it's slowed to a crawl (i can't tell that
it's doing anything really).

1000 messages is a fairly small number. If that's causing your server to slow to a crawl, then I suspect that you're doing too much filtering, or using a filter that's not set up optimally.

I frequently see people use too many '.*' patterns in their maildrop rules. You should understand that using multiple '.*' patterns in a single regex can take exponential amounts of time to process.

Another common "problem" is using spamassassin without spamd. Spamd is very simple to set up, and massively increases the number of messages that be processed in a given amount of time. If you're calling "spamassassin" rather than "spamc", you should fix that.

Did "top" show you any processes using an unusually large amount of CPU time?


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