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PerformanceGuard has an SMTP (Simple Mail Transfer Protocol) service that makes it possible to send notifications via e-mail. The SMTP service thus plays an important role if your event management involves e-mail notifications.

For the SMTP service to work you must provide PerformanceGuard with information about the mail server that you want to use for distributing notifications:

1. Select ADMINISTRATION > Setup > SMTP and specify the following:

   • SMTP host: The mail server that you want to use for distributing notifications.

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     Example: mail.organization.org

1. • SMTP port: Port number on which to communicate with the mail server.

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     SMTP typically uses port 25.

1. • SMTP sender: The e-mail address that you want to appear as the sender of your notifications.

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     We recommend that you use the e-mail address of an existing user on the mail server. Some mail servers may refuse to handle your notifications if the sender isn't an existing user.

1. • Use login/password: Some mail servers require authentication. Ask your mail server administrator if in doubt. If authentication is required, select the check box and specify user name and password.
   • Enable Backup SMTP Host: You can specify an optional backup SMTP host. In that case the backup SMTP host will serve as a secondary mail server that'll only be used if the main mail server is unavailable.
     
     If you use this option, and the main mail server doesn't respond right away, PerformanceGuard will immediately switch to using the secondary mail server. The next time PerformanceGuard needs to send a notification, it will again use the main mail server. If that fails, it will again immediately switch to using the secondary one, and so forth.

1. Click Save.