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TCP/IP-channel-specific options: DISABLE_SEND (0 or 1)

This option applies to the MTA'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 (DISABLE_SEND=1), 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 DISABLE_SEND=0.

See also: