XFAX 4.3a - User's Guide
12. The integrated SMTP server
XFAX features an integrated SMTP server, which makes it possible to send a fax via SMTP.
You need to enable the SMTP server in order to use it (see SMTP_ENABLE). The default port the server listens to is 7181, this can be changed using SMTP_PORT in the config file.
In order to limit access to the SMTP server you can specify hosts or networks that can access the server, see ACCESS_SMTP. You can also specify users and password using USER_FILE.
Keywords used by the SMTP server:
SMTP_ENABLE, SMTP_PORT, ACCESS_SMTP, USER_FILE