Originally Posted By: andy
The message headers show that it is actually adobe.net infrastructure that is sending the email. So the mail will be coming from their Marketo email marketing automation system. The only way hl.co.uk will be involved is with setting up DNS records correctly to allow adobe.net/Marketo to deliver mail on their behalf.


So, wouldn't Marketo just use whatever comes back through the DNS records? Surely they must check and refresh these regularly?