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[email protected]: host
hotmail-com.olc.protection.outlook.com[188.8.131.52] said: 550 5.7.1
Unfortunately, messages from [184.108.40.206] weren’t sent. Please contact
your Internet service provider since part of their network is on our block
list (S3150). You can also refer your provider to
2023-09-12T20:48:15.818Z 08DBB3C468EC886A] (in reply to MAIL FROM command)
My mail server (220.127.116.11) is deditated and is not blacklisted by Microsoft
When i send mail to same user [email protected] all working fine
All reputation test is 10/10 with NO issue
any idea ? thanks for youyr help