Hey friends,
I'm reaching out to ask if anyone on this list has landed on an
effective strategy to block this spam coming from subdomains used on
Google Workspace. I'm certain most of you are seeing it, given the
volume I'm seeing. I'll give 2 samples just to put us on the same page,
so you know I'm talking about the same thing I assume you're seeing:
https://mxbin.io/V6FxTN
https://mxbin.io/ZxLasU
It's obvious to me at this point that Google doesn't care about this and
has no intention of combating it. Content filters are at best
intermittently weak against them from where I sit. By the time I've
identified a new domain/subdomain it's already too late to just block it
by sender, they've already moved on to another.
I'm thinking something along the lines of blocking mail from all
subdomains that come from Google IPs, and then whitelisting any
legitimate ones. Anyone else found any good strategy that works for them
here?
Jarland
MXroute
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