The check is similar to the default check_mail_loop active check (which can be configured
via WATO), but it works using Outlook and the MAPI protocol to send and receive mails. So
you can construct a mail loop checking your Exchange mail infrastrucure without involving
other protocols like IMAP, POP3 or SMTP.
Take a look at the file header of the script. It describes how to setup the script.
To the list of all Werks