I ended up moving away from Postgrey because the delays (especially coming from ... | Hacker News

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		jrnichols on Nov 28, 2016 \| parent \| context \| favorite \| on: Mail-in-a-Box – one-click, easy-to-deploy email se... I ended up moving away from Postgrey because the delays (especially coming from Gmail) were a huge problem. Since the mail would come from some random IP in Google's massive server farm, each time it tried to get delivered, postgrey would delay it again.

insertnickname on Nov 29, 2016 [–]

In rspamd you can configure it so that it only greylists mails that it classifies as spam, but don't have a high enough score to reject it.

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