I've been running Sophos UTM for years.
Did an update last week to 9.401-11. I don't know if that is the cause, but from that moment, we are getting SPAM at intolerable levels.
I used to get one making it through the filter every week or so. After updating, it is about 10 an hour getting through. None of my RBL configuration has changed.
I'm also trying to report spam to Sophos but that is being blocked - as spam.
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