Internet Direct (Indy) Version 9.0.2 Beta
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property OnCommandAUTH: TBasicHandler;
OnCommandAUTH is used in the AUTH Command event handler when the client connection has provided identication using the EHLO command. Applications must assign a procedure to the OnCommandAUTH event handler to allow responding to the event notification. When OnCommandAUTH is not assigned, the server uses the internal authorization mechanism, equivalent to AUTH LOGIN, and the CheckUser event handler.
Note: When the client connection uses the HELO command, authentication is not performed according to the SMTP protocol.