Alex via Postfix-users:
> Hi,
> I have a postfix-3.7.3 fedora37 system and have a few users who want me to
> disable reject_non_fqdn_sender because it seems many of their users have
> DNS problems. For example, email from nore...@info.apr.gov.rs fails to
> resolve with:
>
> $ host info.apr.gov.rs
> Host info.apr.gov.rs not found: 2(SERVFAIL)
$ host info.apr.gov.rs
info.apr.gov.rs has address 195.178.56.17
Looks like you have a *local* DNS problem. Check your routing,
including netmasks.
Wietse
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