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# Server Authentication

On the LibreOffice - Preferences Tools - Options - LibreOffice Writer - Mail Merge Email tab page, click the Server Authentication button to specify the server security settings.

## The outgoing mail server (SMTP) requires authentication

Enables the authentication that is required to send email by SMTP.

### The outgoing mail server (SMTP) requires separate authentication

Select if your SMTP server requires a user name and password.

#### User name

Enter the user name for the SMTP server.

#### Password

Enter the password for the user name.

### The outgoing mail server uses the same authentication as the incoming mail server.

Select if you are required to first read your email before you can send email. This method is also called "SMTP after POP3".

#### Server name

Enter the server name of your POP 3 or IMAP mail server.

#### Port

Enter the port on the POP3 or IMAP server.

#### POP 3

Specifies that the incoming mail server uses POP 3.

#### IMAP

Specifies that the incoming mail server uses IMAP.

#### User name

Enter the user name for the IMAP server.

#### Password

Enter the password.