Am 18.11.25 um 22:25 schrieb * Neustradamus * via mailop:
Dear mailop team, and all other e-mail server administrators,

I contact you because there is a problem in this e-mail server which manages 
this ML and a lot of others in the World.
A lot of good e-mails are always detected in "Junk Email"/"Spams" folder?
I have started to contact e-mail server administrators in the World to change 
it.

The goal is to have good settings and good e-mails not automatically in Junk 
Email/Spams folder, all e-mail servers must to respect it.
If other e-mail server administrators read me, please do same.

It is linked to:
- SPF
- DKIM
- DMARC
- ARC
- BIMI

Please don't try to educate the operators of this mailing list - they are among the most competent people world-wide when it comes to doing e-mail right.

As Michael already mentioned, tagging e-mail as spam happens in the recipient's mail system, so it's basically your responsibility or that of the operators of your mail system. I have slight doubts that Hotmail alone would treat mails from this and other lists as spam, although it's not inconceivable.

Without knowing how your incoming e-mail is processed, it's guesswork, so here 
are some guesses:

 * Do you use e-mail forwarding? That's a pretty common way of damaging e-mail 
messages that are perfectly fine in ways
   that the final receiving mail system regards as spam signs, foremost SPF 
(which is *always* broken by forwarding)
   but often also DKIM (if your forwarder manipulates content, as a number of 
corporate mail systems do). You mention
   ARC, whoch could probably help if implemented right at both sides of a 
forwarding step, but the reality is that
   often at least one side does not handle it at all.
 * Have you looked at the headers where spam-detecting agents may have left 
some indication of what the consider spammy
   about the messages? That may help to identify where the false positives 
happen.

Cheers,
Hans-Martin
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