4 ms·
They're accepting my mails on IPv6 just fine… are you sure you're not simply missing a PTR record for your IPv6 address? That seems to be the most common rake
by eqvinox 5y ago
They're accepting my mails on IPv6 just fine… are you sure you're not simply missing a PTR record for your IPv6 address? That seems to be the most common rake to step on.
(Of course there's a whole bunch of other anti-spam heuristics, but missing PTR is the most common in my limited personal experience.)