I need help y'all. My Microsoft customers are not getting emails from my store. So anyone with an MSN, outlook, or Hotmail email address is not receiving any mail.
Below is the troubleshooting guide from Microsoft. https://sendersupport.olc.protection.outlook.com/pm/troubleshooting.aspx#errors Error message below: This is the mail system at host gt-fr-smtpout01.groovetech.io. 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 <[email protected]>: host msn-com.olc.protection.outlook.com[104.47.59.161] said: 550 5.7.1 Unfortunately, messages from [185.223.74.125] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3140). You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. [DM6NAM12FT031.eop-nam12.prod.protection.outlook.com 2023-09-27T14:45:18.519Z 08DBBE30F475B502] (in reply to MAIL FROM command)
