FYI:
My apologies for the OT posting, but I have noticed some weird things going
on in relation to spam rejections here.
Every couple of days now, I am observing a sharp increase in spam blocked
on our mail gateway (mailgraph and pflogsumm are a good combination :).
For an hour or two, the rejection rate goes up by nearly an order of
magnitude, from several hundred per hour to several thousand per hour.
The interesting and relevant detail: nearly all of these emails are
targeting non-existent local addresses. Further analysis shows that
the target addresses are obviously message-id headers harvested from
postings I made to this list 1997-2002.
The connections are coming from literally everywhere: US, South America,
South East Asia, Europe, and also through our upstream MXs, i.e. there is
no clear pattern.which makes it really hard to pin down.
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