[jira] [Commented] (VYSPER-286) Message cannot send message to offline receiver is not sent back to client

["Bernd Fondermann (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/VYSPER-286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13056457#comment-13056457 ] 

Bernd Fondermann commented on VYSPER-286:
-----------------------------------------

XMPP is concerned about presence leaks and harvesting attacks. see http://xmpp.org/rfcs/rfc6120.html chapter 10.2.
As a general rule, clients sending messages to unexisting or offline clients do not get a response.
Clients sending messages to their confirmed contacts of course know their availability, so an error message does not provide additional info.

So, I'm tempted to mark this issue as WON'T FIX, but leave it open for discussion a little more.

Thank you for reporting it anyway.

> Message cannot send message to offline receiver is not sent back to client
> --------------------------------------------------------------------------
>
>                 Key: VYSPER-286
>                 URL: https://issues.apache.org/jira/browse/VYSPER-286
>             Project: VYSPER
>          Issue Type: Bug
>          Components: core protocol
>    Affects Versions: 0.7
>         Environment: windows 7
>            Reporter: Aruna polepally
>
> Using a smack Api as client i am trying to send message from Client A to Client B
> (offline).I can see the error message in the server console as follows : org.apache.vysper.xmpp.delivery.inbound.DeliveringInternalInboundStanzaRelay WARN cannot relay to offline receiver b@localhost stanza message.body.Hello.I could not see any error message sending back to client A so that the message can be captured.
> Is ther

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