DISABLE SEND

TCP/IP-channel-specific options: DISABLE_SEND (0 or 1)
This option applies to the MTA&#x27;s SMTP server. The SMTP server is able to support the SEND FROM:, SAML FROM:, and SOML FROM: SMTP commands  (see RFC 821) that allow for sending a broadcast message to a logged in  user on the MTA system rather than or in addition to, an e-mail  message. This support is disabled by default, so that  the MTA will respond with 550 5.7.2 SEND/SAML/SOML commands have been disabled. to any such commands. To enable support for these SMTP commands, set.

See also:
 * TCPIP-channel-specific options