Change Server Settings in Mail on Mac

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 deselect 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.

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 deselect 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.