[Mailman-Users] Sending domain does not exist but it actually does?

Dimitri Maziuk dmaziuk at bmrb.wisc.edu
Thu Mar 22 14:59:42 EDT 2018

On 03/22/2018 01:48 PM, Mark Sapiro wrote:

> That should be OK assuming as Dimitri Maziuk says you have
> "inet_protocols = ipv4" in your postfix config (or the
> equivalent for your MTA).

On 2nd thought, if they are the ones bouncing, *they* may be running
AAAA query instead of the A one. Check if that resolves, in addition to MX.

Dimitri Maziuk
BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu

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