Morning, A question what is the outbound smtp port you are trying to use, 25 or 587. Providers might tend to block 25 as that is know to have spam sent out on it hence why 587 is used instead.
________________________________ From: [email protected] <[email protected]> on behalf of "Support" <[email protected]> Sent: Thursday, September 28, 2023 03:25 To: [email protected] <[email protected]> Subject: [SOGo] Email not being sent 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://link.edgepilot.com/s/74f6a787/wFX7mikUIUe2SYaLqB7SHA?u=https://sendersupport.olc.protection.outlook.com/pm/troubleshooting.aspx%23errors 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]<mailto:[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 https://link.edgepilot.com/s/475f0e36/pT3uQe29EUybRmHkZEXxJQ?u=http://mail.live.com/mail/troubleshooting.aspx%23errors. [DM6NAM12FT031.eop-nam12.prod.protection.outlook.com 2023-09-27T14:45:18.519Z 08DBBE30F475B502] (in reply to MAIL FROM command) Links contained in this email have been replaced. If you click on a link in the email above, the link will be analyzed for known threats. If a known threat is found, you will not be able to proceed to the destination. If suspicious content is detected, you will see a warning.
