'FEATURE(relay_mail_from)'' ''''


Relay based on MAIL FROM: and on RELAY in access_db V8.10 and above

By declaring this relay_mail_from feature, you enable relaying for envelope sender addresses based on the RELAY value in the access database. This feature, how it is used, and how it fits into relaying and spam handling are explained in Section 7.4.8.

    Part I: Build and Install
    Chapter 2. Build and Install sendmail
    Chapter 4. Configure sendmail.cf with m4
    Part II: Administration
    Part III: The Configuration File