The week that the sasl bots came to visit the zoo

stupidrobotBananas notices things with this (my blog) and a week of fun stated with people trying to brute force smtp auth.

With email something is always ‘up’, dmarc was the week before [all rejected] so i began to log them and start counting. The more attempts to higher probability of being null routed (my blog)

Eventually By friday most of the attempts where down and so on saturday I with the ban hammer cleared up the rest. I know who they are and the ban is forever, and automatic on restart.  It is nice not to have to spend a couple of hours each day simply on dealing with compromised computers.

by golly but...

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