It appears that Suresh Ramasubramanian via mailop said:
>Why is it deferred when you get a 554?
Because that's the response on the initial connection, not to a message.
Here's what I get when I connect from my house:
Connected to mx.sympatico.ca.
554 Invalid DNS PTR resource record for
On 2022-07-31 at 13:07:43 UTC-0400 (Sun, 31 Jul 2022 12:07:43 -0500)
John Gateley via mailop
is rumored to have said:
On 7/31/22 11:38 AM, Michael Rathbun via mailop wrote:
Since you have included none of the information that might have been
used by
the receiving system (your IP? Your HELO
On Sun, 31 Jul 2022 12:07:43 -0500, John Gateley via mailop
wrote:
>The sending domain is annbauer.com, mx is hosted by mx.oustrencats.com.
>
>IP addresses:
>
>root@giraffe:~# host mx.oustrencats.com
>mx.oustrencats.com has address 50.116.29.164
Look clean as far as publicly accessible
On 7/31/22 11:38 AM, Michael Rathbun via mailop wrote:
Since you have included none of the information that might have been used by
the receiving system (your IP? Your HELO string? The domain in the envelope?
Any domains referenced in the body?) ...
Fair point:
The sending domain is
Dnia 31.07.2022 o godz. 09:28:31 John Gateley via mailop pisze:
>
> Usually providers provide info on the block, with details on how to get
> removed if you are legit etc. This error is very unfriendly...
For example in case of Postfix, if you manually add sender's IP or email
address to the
On Sun, 31 Jul 2022 08:36:31 -0500, John Gateley via mailop
wrote:
>I don't see any details in the error message.
Since you have included none of the information that might have been used by
the receiving system (your IP? Your HELO string? The domain in the envelope?
Any domains referenced
I just ran through the last month of SMTP logs and the only error I
found was "451 System policy engine error" for sympatico.ca besides
"User unknown" (contact form typos it looks like). So for what little
it's worth, I think this is either domain or IP reputation. Doesn't have
to be for
On 7/31/22 8:55 AM, Suresh Ramasubramanian via mailop wrote:
Why is it deferred when you get a 554?
Probably a spam block on your IP or domain name with that generic an
error
I'm not sure why my server defers on 554, that's the default config for
postfix I think. Anyways, that is my
Why is it deferred when you get a 554?
Probably a spam block on your IP or domain name with that generic an error
--srs
From: mailop on behalf of John Gateley via mailop
Sent: Sunday, July 31, 2022 7:06:31 PM
To: mailop@mailop.org
Subject: [mailop] Trouble
Hello,
I just got a bounce from sympatico.ca that I don't understand:
Jul 31 04:20:41 giraffe postfix/qmgr[2366]: 841B53C6CD:
from=, size=7809, nrcpt=1 (queue active)
Jul 31 04:20:41 giraffe postfix/smtp[526159]: 841B53C6CD:
to=, relay=mx.sympatico.ca[209.71.212.24]:25,
delay=433213,
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