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How do I enable SMTP AUTH in Mail.app for Mac?

To enable SMTP AUTH (outbound email authentication).

• Open the application (Mail.app).
• Click "Mail" and select "Preferences"
• Click the "Accounts" icon and select the "Account Information" tab.
• Click on the dropdown menu for "Outgoing Mail Server (SMTP)" and select "Edit SMTP Server List...".
• Select the appropriate account if you have multiple SMTP servers configured.
• Click "Advanced"
• Ensure "Use default ports" is selected and the checkbox for "Use Secure Sockets Layer (SSL)" is cleared.
• Set the "Authentication" type to "Password".
• Enter your full email address for the "User Name".
• Enter your mailbox password for the email address used above.
• Click "OK".

Send a test email to ensure your settings have been configured correctly.

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