On 31 Aug 2017, at 11:35, Paul Smith wrote:
On 31/08/2017 16:15, Benoit Panizzon wrote:
Strange, todays active domain is: apparty.bid
apparty.bid descriptive text "v=spf1 ip4: -all"
We do check SPF, so why did this email pass? Is 'ip4:' equivalent to
the whole IPv4 space?
No, that's an invalid rule. Maybe your SPF checker is letting mail
through if the result is 'PermError' (which is what that rule should
result in) rather than 'Fail'.
Which is correct behavior. Syntax errors in SPF rules should be handled
identically to no rule at all.
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