Craig Whitmore wrote:
Hi there Folks
Over the last 2 week I've got ALOT of the same spam (Stock Spam) of a
certain kind (to spamtrap addresses)
but its all coming from forged from addresses with SPF records wtih
?all. (100's of them, most from different forged from addresses) Stock
spam with attached FAX image of information about a certain Stock)
SPF is *NOT* a solution for spam. It might help though as it is meant
for validating the origin of the message and a spammer needs to pick a
valid source domain.
[..]
dakross.co.uk text = "v=spf1 ip4:212.124.192.0/19 ?all"
postmaster@ is the address to complain to, they should tighten up their
SPF record.
IMHO.... having ?all is pretty useless. Having an error description at
the end is much better, eg url pointing to how the customer should
configure their mailsetup and that they need to relay through box X.
Greets,
Jeroen
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