I have a mailing list I’m trying to join to which is v4/v6 enabled. My v4 has
a proper PTR record. My v6 does not currently and I’m going round and round
with AWS to get it updated.
Is there a way in Postfix to force delivery for a particular host or domain to
deliver over v4 without playing parlor games with DNS (ala the Netflix
workaround for v6 on tunnels)
Thanks
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Eric Germann
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