Hi,
Some networks are known to be more accommodating spam here.
I wouldn't actually call these "ISPs"
These are usually one-man-show hosting companies with either no care or
knowledge.
I don't think it would hurt anyone if you are to block their complete IP ranges.
But going back my logs by a
Just a quick note:
the KAM_LABEL2 rule hits false positives, thanks to it looking for "PPE"
in subject and text case-insensitively and without boundary specifications.
This means that it hits "happening", so mail asking "what's happening
this week" in Subject and Body triggers the rule.
Anthony