J'ai eu un de mes mails refusés par Outlook.com, je pense que c'est un problème de réputation du domaine. Merci de faire quelque chose…
This is the mail system at host mo555.mail-out.ovh.net.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The mail system
xyz@abc.ch: host
outlook-com.olc.protection.outlook.com[52.101.41.59] said: 550 5.7.515
Access denied, sending domain BLUEWIN.CH doesn't meet the required
authentication level. The sender's domain in the 5322.From address doesn't
meet the authentication requirements defined for the sender. To learn how
to fix this see: https://go.microsoft.com/fwlink/p/?linkid=2319303 Spf=
Fail , Dkim= Pass , DMARC= Pass [AS2PR09MB6167.eurprd09.prod.outlook.com
2025-08-13T08:06:44.487Z 08DDDA38F32B9C79]
[BYAPR11CA0098.namprd11.prod.outlook.com 2025-08-13T08:06:44.559Z
08DDD98C305785A7] [SJ1PEPF000023D0.namprd02.prod.outlook.com
2025-08-13T08:06:44.557Z 08DDD767B7297EFB] (in reply to end of DATA
command)