Use
the SMTP screen to configure SMTP settings for the MTA, such as
the SMTP greeting message and the location of the mail processing
queue, where IMSS saves
messages before it scans and delivers them.
Procedure
Go to Administration → IMSS Configuration → SMTP Routing.
The SMTP Routing screen appears.
Specify the domain name for the SMTP server in the SMTP server domain
field.
Specify SMTP server Greeting Message (displays when a session is
created).