Change Server Settings in Mail on Mac

Use Server Settings settings in Mail to change options for an account’s incoming and outgoing (SMTP) mail servers.

To change these settings in the Mail app on your Mac, choose Mail > Settings, then click Accounts. Select an account on the left, then click Server Settings on the right.

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Note: The settings shown vary depending on your account type and whether the account is enabled.

Incoming mail server settings

Option				Description
Username				Enter the username you use on the mail server.
Password				Enter the password you use on the mail server.
Host Name				Enter the name of the mail server.
Automatically manage connection settings				Let Mail automatically manage settings for your email account, such as port numbers and authentication methods, in Mail. If you unselect this option, you can specify the following, as directed by your email account provider: Port (or Internal Port and External Port), Use TLS/SSL: The port numbers for receiving messages, and whether to use TLS/SSL. Authentication: The authentication method. This option is available only for POP and IMAP accounts.
Advanced IMAP or Exchange Settings				Click the button, then enter or change the settings as directed by your email account provider: IMAP Path Prefix: The location of your mailboxes on an IMAP server. TLS Certificate: Some mail servers require computers that connect to them to provide a certificate proving their identity. Allow insecure authentication: For email accounts that don’t support secure authentication, let Mail use a non-encrypted version of your username and password to connect to the mail server.

Outgoing mail server (SMTP) settings

Option				Description
Account				Choose the account of the mail server. To change outgoing server settings, as directed by your email account provider, choose Edit SMTP Server List.
Username				Enter the username you use on the mail server.
Password				Enter the password you use on the mail server.
Host Name				Enter the name of the mail server.
Automatically manage connection settings				Let Mail automatically manage settings for your email account, such as port numbers and authentication methods, in Mail. If you unselect this option, you can specify the following, as directed by your email account provider: Port (or Internal Port and External Port), Use TLS/SSL: The port numbers for sending messages, and whether to use TLS/SSL. Authentication: The authentication method. This option is available only for POP and IMAP accounts.

If you change settings, click Save to save your changes.

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Mail User Guide

Change Server Settings in Mail on Mac

Incoming mail server settings

Outgoing mail server (SMTP) settings