all emails are stuck in queue with error: Connection timed out I checked the firewall and ports are open outbound log file: connect to zzz.mail.protection.outlook.com [xx.47.58.xxx]:25: Connection timed out postfix/error[2193093]: C26801D00A1FF: to= tim@zzz , relay=none, delay=2267, delays=2267/0.0…

No. 587 is the submission port, used by your clients to send mail to you. It is usually authenticated. You have no control over the rest of the world, and to the rest of the world SMTP is port 25. If you don’t have port 25, you don’t have a mail server. You’ll have to use a relay. Some cloud provid…

Email wont send - all emails are now Connection timed out and stuck in queue