(There should be warnings logged that saywhich table lookup failed.
Does your system perhaps log error and non-error messages to different
files? That is not a good idea - it complicates trouble shooting.)
I'm logging with syslog, mail facility. Debug level has it's own file,
but it's empty. I cited from mail.info which contains log level info
and higher.
I added -v in master.cf, perhaps i'll get a closer hint.
Am 28.05.2025 um 21:57 schrieb Wietse Venema via Postfix-users:
- Next the Postfix SMTP daemon is supposed to find out if the domain
exists in DNS, but there are no table lookups involved here.
On 29.05.25 14:38, Christian H. Kuhn via Postfix-users wrote:
If postfix has no access to DNS, would that not be a configuration
error? The host in question has both an DNS and a reverse DNS entry,
and they match.
And how should it know if it has no access to DNS?
Even if the DNS server does not respond, how is postfix supposed to know
it's permanent and not a temporary error?
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