On 2023-05-24 at 09:50:08 UTC-0400 (Wed, 24 May 2023 13:50:08 +0000)
Ken Peng via Postfix-users <k...@posthub.me>
is rumored to have said:
If the MX hostname has only IPv6 resolved,
does it have problems in mail functions?
Yes.
Not all sending systems have IPv6 addresses or connectivity. If your
inbound mail system doesn't have an IPv4 address, it cannot receive mail
from other machines that only have IPv4 addresses.
--
Bill Cole
b...@scconsult.com or billc...@apache.org
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Not Currently Available For Hire
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