On 2026-03-23 at 10:36:42 UTC-0400 (Mon, 23 Mar 2026 15:36:42 +0100)
Matus UHLAR - fantomas via Postfix-users <[email protected]>
is rumored to have said:

With DNS round-robin your users will complain whene either one of IP addresses is unreachable.

This is not such a huge issue when you do the "round-robin" with very short (non-zero!) TTLs on the A records. It was worse some years ago when some resolvers would sort answers, but I don't think anything still does that.

--
 Bill Cole
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(AKA @[email protected] and many *@billmail.scconsult.com addresses)
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