Brother MFC-8440 Software User's Manual page 180

2
To send an E-mail from Brother Network PC-FAX you can either
enter the E-mail address in the To: field or in the display for
Facsimile Style using the PC keyboard or select the member
from the Address Book. The member must have E-mail selected
as the chosen destination for that member.
3
To send an Internet Fax from Brother Network PC-FAX you can
either enter the Internet Fax address in the To: field or in the
display for Facsimile style using the PC keyboard or select the
member from the Address Book. The member must have MFC
Mail Address selected as the chosen destination for that
member.
4
To send a Network Fax simply select a member from the
address book or enter the fax number into the User Interface
with the PC keyboard. The member must have Fax selected as
the chosen destination for that member.
Sending a Network PC-FAX to an E-mail address or sending an
Internet Fax requires SMTP/POP3 mail server support.
9 - 5 BROTHER NETWORK PC-FAX SOFTWARE