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how keeping messages (for example with viruses) affects Spool performance? I've enabled keeping messages in quarantine for 15 days and over time it started to hit whole system performance (CPU usage) and also SPAM filtering (using Declude). SmarterMail in Quarantine showed 5000 messages but there was A LOT more file in Quarantine directory. When I disabled Quarantine and removed all files from Quarantine directory CPU usage is on normal levels and Declude spam filterings works correctly again.
I'm wondering if someone from SmarterMail devs has checked this according to this thread:
Situation was similar with only difference that this time SmarterMail apparently has some kind of display limit of 5000 messages which is probably not fixing this issue.