Internet Direct (Indy) Version 9.0.2 Beta
TIdSMTPMessages.XServer
Identifies the SMTP Server acting as the mail transfer agent.

property XServer: string;
Description
XServer is a String property that represents an experimental RFC message header added to mail received using the SMTP DATA command verb. XServer indicates the Server acting as the mail transfer agent, and provides additional information that can be used in debugging the operations of an SMTP server.

XServer is used in the TIdSMTP.CommandDATA action handler, and added to mail receive using a TIdSMTPServer.ReceiveMode of rmMessage or rmMessageParsed.