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documentation:appproto:im [2007/12/02 23:57]
ajc GEXP now displays the sender's email or jid
documentation:appproto:im [2010/03/02 11:40] (current)
ajc PEXP has been deprecated for many years -- removing it
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 Do be aware that if an instant message is transmitted to a user who is logged in using a client that does not check for instant messages, the message will never be received.  Also, instant messages are NOT sent via the following transports:  SMTP, POP3. Do be aware that if an instant message is transmitted to a user who is logged in using a client that does not check for instant messages, the message will never be received.  Also, instant messages are NOT sent via the following transports:  SMTP, POP3.
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-====  PEXP   (Print instant messages)   [DEPRECATED]  ==== 
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-This command is deprecated; it will eventually disappear from the protocol and its use is not recommended.  Please use the GEXP command instead. 
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-Called without any arguments, PEXP simply dumps out the contents of any waiting instant messages.  It returns ERROR if there is a problem, otherwise it returns LISTING_FOLLOWS followed by all messages. 
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-So how does the client know there are instant messages waiting? It could execute a random PEXP every now and then. Or, it can check the byte in server return code messages, between the return code and the parameters. In much the same way as FTP uses "-" to signify a continuation, Citadel uses 
-an "*" in this position to signify the presence of waiting instant messages. 
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