Internet Direct (Indy) Version 9.0.2 Beta
TIdNNTPServer.OnCommandCheck
Specifies the NNTP CHECK command event handler.

property OnCommandCheck: TBasicEvent;
Description
OnCommandCheck identifies the TDoByIDEvent event handler used to respond to the NNTP CHECK command.

CHECK is a Common NNTP Extension as described in RFC 2980. CHECK is used by a peer to discover if the article with the specified message-id should be sent to the server using the TAKETHIS command.

Applications should assign a procedure to the event handler in order to respond to the NNTP command, or the server will return the default message:

  500 command not recognized