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seen Mar 9 '11 at 9:18

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Mar
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Mar
9
comment SMTP host name vs. domain in “From:” address vis-a-vis Email Deliverability
Excellent point, I hadn't thought of that. D'oh! Of course. (and yep, I do have reverse DNS going for the MTA, so I'm set there.) Thanks for pointing that out! Sometimes it just takes another [thoughtful] mind. =)
Mar
9
comment SMTP host name vs. domain in “From:” address vis-a-vis Email Deliverability
Thanks adamo! Very direct and pertinent (if I could vote you up, I would). I understand that if an SPF record were to exist, it would be for the sending domains -- that's why I was confused by the person's advice that I linked to which said that one should exist for the MTA's domain (in this case, linode.com). Seems that person was wrong about that. Do you know at which domain (MTA's or sender's) the postmaster@domain.com would apply to?
Mar
9
comment SMTP host name vs. domain in “From:” address vis-a-vis Email Deliverability
Thanks for the time you took to type all of that up. I appreciate the affirmation that the MTA domain needn't match the From: domains. However, it seems you misunderstood my SPF question which was why would THAT domain (in this case, linode.com) need an SPF record? It would seem the advice of the person I linked to was bogus and that I wouldn't, in fact, need one for the MTA's domain at all. Also, I never said anything about guaranteeing whatsoever, just improving deliverability. Ideology, morally rich as it may be, ultimately carries little weight, so one is left to control what one can.
Mar
7
asked SMTP host name vs. domain in “From:” address vis-a-vis Email Deliverability