We have Google Apps for Business set-up with our domain name for our business.
Since making the change to fully reject mail that fails dmarc, the number of
messages counted as coming through "Forwarders" on our dmarc reports when run
through this tool https://dmarcian.com/dmarc-xml/
<https://dmarcian.com/dmarc-xml/> has drastically increased. In many cases
these new "Forwarders" are the same IPs that previously were coming through as
"Threat/Unknown" (clearly fishers.)
Does this mean that after seeing that google started rejecting their e-mails
they changed something about how they're sending them to attempt to circumvent
these rejections? If so, does any action have to be taken to prevent this
circumvention?
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