The SetSmtp function sets the SMTP server to be
used.
Syntax
CALL ui.Interface.frontCall("WinMail","SetSmtp",
[ id, smtp:port ], [ result ] )
- id is the message identifier.
- smtp is the string text containing the SMTP server to be used.
- port is optional. It allows to specify a port for your SMTP server. When not specified,
the default port remains 25.
- result is the status of the function.