On 7/18/22 4:45 PM, Brandon Long via mailop wrote:
Are they using Windows Mail to send mail through your service via
message submission?
Adding a message-id header is a SHOULD in that case:
https://datatracker.ietf.org/doc/html/rfc6409#page-14
If you're just forwarding, then yes, it's unfor
On Mon, Jul 18, 2022 at 16:27 Robert L Mathews via mailop
wrote:
Anyone else seeing the same thing? Now I'm in the position of having to
> either start adding missing Message-ID headers, which people online
> recommend against because it potentially breaks DKIM, or telling people
> Windows Mail
The thing about dkim is that you’re supposed to sign mail AFTER adding
corporate disclaimers, fixing missing headers and what not.
Go ahead and fix whatever missing header you can - it’s all good
--srs
From: mailop on behalf of Robert L Mathews via
mailop
Sent
Are they using Windows Mail to send mail through your service via message
submission?
Adding a message-id header is a SHOULD in that case:
https://datatracker.ietf.org/doc/html/rfc6409#page-14
If you're just forwarding, then yes, it's unfortunate.
Brandon
On Mon, Jul 18, 2022 at 4:24 PM Robert
On 7/13/22 12:31 AM, Philip Paeps via mailop wrote:
In the past couple of days, I'm seeing an uptick in rejects from Gmail
as follows:
>Our system has detected that this message is not RFC 5322 compliant.
Similar to this, some our customers complained that messages sent to
Gmail have been bo
Thomas,
shall we talk this through out of band - and you may post a summary later on,
if you wish?
Best,
-C.
--
Von meiner Hängematte aus gesendet.
-Original Message-
From: Tobias Fiebig via mailop
To: mailop@mailop.org
Sent: Mo., 18 Juli 2022 10:45
Subject: [mailop] What to do with
Dear Mailop,
I am seeing an unusual amount of DKIM "temperror" reports from Microsoft for
these two domains (only):
preventivo.6sicuro.it
news.6sicuro.it
The sources of this information are:
* Headers of emails received at Hotmail.com with temperror as DKIM
Authentication results
* DMA
Heho,
~a year ago I registered a (by then) unregistered look-alike domain for a major
European hoster, as I was receiving rather good spear-phishing from it, and it
was, well, unregistered. (The domain is hetzners.de ).
I setup DMARC p=reject and SPF -all, and let it be. Now, the domain keeps
