- Step 1: On your Mac, click the Mail icon at the Dock to launch the Apple Mail.
- Step 2: Otherwise, open Finder and click the Go menu at the top of the screen.
- Step 3: Select the Applications option from the drop-down menu.
- Step 4: In the Applications folder, give a double-click on the Mail icon to open the Mail app.
- Step 5: Once you have launched the Apple Mail app, click the Mail menu at the top-left corner of the screen.
- Step 6: Select the Preferences option from the drop-down menu.
- Step 7: In the Accounts window, click the Account Information tab and navigate to the left-side panel.
- Step 8: Select the email account for which you wish to change the outgoing server settings.
- Step 9: If your email account is not listed in the Accounts window, click the Add icon and add your email account.
- Step 10: After selecting the email account from the left-side panel, click the Server Settings tab.
- Step 11: Click the Outgoing Mail Account drop-down menu and select the Edit SMTP Server List option.
- Step 12: Click the Add or Remove icon to delete or add the configured server.
- Step 13: Click on Server List to select your email service provider.
- Step 14: Enter your username, password, and hostname in the required fields and configure the appropriate ports.
- Step 16: Close the Accounts window and restart your Mac.
- Step 17: Now, the outgoing mail server settings have been changed successfully on your Mac. And finally you know how to change outgoing mail server on Mac.