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I received a Delivery fail
host
hotmail-com.olc.protection.outlook.com[104.47.5.33] said: 550 5.7.1
Unfortunately, messages from [x] 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
Troubleshooting.
[HE1EUR02FT019.eop-EUR02.prod.protection.outlook.com] (in reply to MAIL
FROM command)
So i want to make sure my server doesn't send spam, that i can fill out the form and provide it to Microsoft..
How can i check this?
host
hotmail-com.olc.protection.outlook.com[104.47.5.33] said: 550 5.7.1
Unfortunately, messages from [x] 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
Troubleshooting.
[HE1EUR02FT019.eop-EUR02.prod.protection.outlook.com] (in reply to MAIL
FROM command)
So i want to make sure my server doesn't send spam, that i can fill out the form and provide it to Microsoft..
How can i check this?