On Wed Sep 1 19:13:50 2010, Iñaki Baz Castillo wrote:
3) Bob sends presence "probe" stanza to alice, so "the server MUST
NOT
respond and MUST NOT return an error"
This may be different - some servers would respond with an
unavailable presence if the user if offline. But then, I think the
intent is that if so, this would be the case if there was a block in
place.
4) Bob sends message stanza to alice, so "the server SHOULD return
an
error, which SHOULD be <service-unavailable/>".
This would only be the case if Alice's server didn't provide offline
messaging. It's the right error for "The user is offline and I cannot
deliver this to offline storage".
5) Bob sends a IQ stanza to alice, so "the server MUST return an
error, which SHOULD be <service-unavailable/>. IQ stanzas of other
types MUST be silently dropped by the server.".
This is exactly what would happen in the offline case.
But yes, it's likely that someone can tell if they've been blocked.
Dave.
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