I have a server running Postfix (3.1.0-3ubuntu0.3) that has been in
production for a few months and is generally working well. However I've
been struggling to resolve an issue where some legitimate servers cannot
send inbound mail, where there appears to be an issue with the sending
server's DNS.
Thank you very much for the responses!
This is a small, personal setup with low traffic so I will definitely
explore using notify_classes to try to get more feedback on the failures.
Remote server legitmacy - *.dbsintl.net appears to be a third party hosting
solution for small businesses. In the
Wietse Venema wrote
> jlftl:
>> Thank you very much for the responses!
>>
>> This is a small, personal setup with low traffic so I will definitely
>> explore using notify_classes to try to get more feedback on the failures.
>>
>> Remote server legitmac
Hi John,
You are correct, this is my mistake. I went back through the logs, and this
was NOT nabble. I attempted to register another account for the forum in
order to generate the e-mail, and this server which issued the help command
had coincidentally connected within a few seconds of nabble's
Alright, using postconf debug_peer_list appears to have identified the issue:
Mar 14 14:03:10 enceladus postfix/smtpd[26760]: >
n5.nabble.com[162.253.133.81]: 250-enceladus..net
Mar 14 14:03:10 enceladus postfix/smtpd[26760]: >
n5.nabble.com[162.253.133.81]: 250-PIPELINING
Mar 14 14:03:10 enceladu
Matus UHLAR - fantomas wrote
> On 14.03.18 07:55, jlftl wrote:
>>Alright, using postconf debug_peer_list appears to have identified the
issue:
>>
>>Mar 14 14:03:10 enceladus postfix/smtpd[26760]: <
>>n5.nabble.com[162.253.133.81]: MAIL FROM:<
> bounces@.nab
