[ipv6-wg] Real-world IPv6 SMTP experience
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Florian Weimer
fw at deneb.enyo.de
Tue Dec 27 10:11:18 CET 2005
* Marco d'Itri: > On Dec 21, Stig Venaas <Stig.Venaas at uninett.no> wrote: > >> I know several sites that have both A and AAAA for all MXs. It doesn't >> sound safe to me, but I assume it can't be that problematic then...? > In my experience (linux.it and other domains, IIRC since three years) > a single MX record with A + AAAA records has not caused deliverability > errors for incoming nor for outgoing mail. The same applies to a domain > with A and AAAA records and no explicit MX. Try to get logs from master.debian.org. I'm pretty sure they will show some bounces. bugs.debian.org (= spohr.debian.org) probably has similar issues. Just because you don't know about these bounces doesn't mean they don't exist. 8-)
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