Hi,
sending emails to big providers (who are trying to filter out SPAM) is getting harder and harder. This is not something particular with your setup of SOGo, but with your email SMTP program (or that of your provider). >From what it looks like, you are using gandi.net as a website builder/host? Gandi.net does not seem to support DMARC and DMIC, without which many email providers will filter out your messages. Additionally, they seem to have blocked the entire gandi.net IP range, due to SPAM servers. What can you do? First, test out your blacklist listing, hopefully your domain is not listed: https://mxtoolbox.com/blacklists.aspx Then, test if you have SPF/DMIC/DMARC at all enabled (and if it is even possible): https://mxtoolbox.com/dmarc/dmarc-email-tools?referrer=cms_dmarchome If all that passes, you can try to appeal to Microsoft to allow your IP address through (use their contact email). These days, it is almost easier to use an purchased email account from a reputable provider to avoid all these issues, but with the right hosting provider and the work on blacklists and SPF/DMIC/DMARC, it *is* possible to send emails to all the big providers. Best wishes, Raoul Von: users-requ...@sogo.nu <users-requ...@sogo.nu> Im Auftrag von "Support" Gesendet: Donnerstag, 28. September 2023 03:25 An: users@sogo.nu Betreff: [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://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 <u...@msn.com <mailto:bjor...@msn.com> >: 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)
