Linux Tutorials - Herong's Tutorial Examples - v5.37, by Dr. Herong Yang
macOS Mail Manual Configuration
Provides a tutorial example on how to view and change macOS Mail connection settings manually, with different port number, SSL/TLS and authentication options.
What happens if macOS Mail auto configuration is not working? Don't worry. It allows you to review and change its connection settings.
1. Launch Mail app from the launchpad.
2. Clik "Mail > Preference" menu. You see the "Accounts" dialog box.
3. Select the account you just created, and click the "Server Settings" tab.
4. Uncheck "Automatically manage connection settings" in both incoming and outgoing sections. You see the automatically detected settings:
Incoming Mail Server (POP) User Name: herong Password: TopScret Host Name: 192.168.1.100 Port: 110 Use TLS/SSL: Yes Authentication: Password Outgoing Mail Server (SMTP) User Name: Password: Host Name: 192.168.1.100 Port: 587 Use TLS/SSL: Yes Authentication: None
So macOS is smart to detect the POP3 with TLS/SSL service on port 110, and the SMTP with TLS/SSL (also called Submission) service on port 587.
If this is not working, you can change port numbers, TLS/SSL and authentication options any way you want.
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