Exchange in Subject field

Hy, Is it possible to replace the subject filed of incoming mails with data taken from adress book ?

We are using FAX to Mail from EasyLink and subject field contains the sender fax number. I would to excahnge that number with data from AdressBook. Is it possible for the domin server to run some kind of a scipt replace the data “on the fly”?

Thanks for the replies

Kajetan Zmuda