'FEATURE(relay_hosts_only)'' ''''


Relay individual hosts, not domains V8.9 and above

Ordinarily, the names listed with RELAY_DOMAIN (Section, those allowed to relay through the local machine, are names of domains. By declaring this relay_hosts_only feature, you cause the names in that list to be interpreted as the names of hosts, not domains. This feature, how it is used, and how it fits into relaying and spam handling are explained in Section 7.4.6.

    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