I came here wondering what ARC was which I got answered and for which I
wrote a blog post saying that we should just give up on the mailing list
problem.
https://rip-van-webble.blogspot.com/2020/12/are-mailing-lists-toast.html
The same crap that drove me away the last time is still raging
In article you write:
>On Tue 02/Feb/2021 20:13:42 +0100 John R Levine wrote:
>>
>> There is some commented out code to not pass a HELO result to DMARC, don't
>> remember why I turned it off.
>
>Couldn't find the code you uncommented in.
I'm not surprised. It's only in my MTA.
>Apparently,
On Tue 02/Feb/2021 20:13:42 +0100 John R Levine wrote:
There is some commented out code to not pass a HELO result to DMARC, don't
remember why I turned it off.
Couldn't find the code you uncommented in.
Apparently, OpenDMARC reads Authentication-Results: (or Received-SPF:) and
calls
On Tue, 2 Feb 2021, Alessandro Vesely wrote:
Whatever mechanisms are used, servers MUST
contain provisions for detecting and stopping trivial loops.
I can tell you from bitter experience that rate limiting is the *ONLY*
reliable way to stop trivial loops. Whatever
I believe that most code is validating the MailFrom parameter if it is
supplied, and validating the HELO name only if MAILFROM is null. This is
based mostly on the way SPF has been discussed over the last 15 years,
coupled with the observed behavior of a limited number of
product
