Chris Petersen writes:
Yes. Courier tarpits all SMTP errors, including user unknown. Check your mail logs.
What am I looking for in the logs? I don't see anything about tarpits.
You're looking for the fact that the same IP address is not filling up the logs with error messages. At most you should see only a few error messages from the same IP address, spaced widely apart.
But even with the tarpit in place you shouldn't be seeing so much crap coming through.
Unless you've installed a virtual domain alias catch-all.
It's not "coming through" anymore (I turned off the alias that it was running), but it still looks like a fair amount of annoying traffic, not to mention crap filling up my logs.
It's better that crap fills your logs, rather than your mailbox.
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