[Standards-JIG] Reason for subscription/unsubscription

David Sutton jabber at dsutton.legend.uk.com
Sun Jun 20 06:52:25 UTC 2004

Hi all,

On Fri, Jun 18, 2004 at 08:30:17AM +0200, Jacek Konieczny wrote:
> On Thu, Jun 17, 2004 at 05:22:58PM +0200, CORVOYSIER David FTRD/DMI/REN wrote:
> > > Why would one want a subscription/unsubscription reason for?
> > 
> > Maybe to explain who you really are, because a JID is not enough,
> > especially if you have thousands of registered users with joe111-like
> > usernames ... I have personnally several times denied subscriptions to
> > relatives because I did'nt recognize them.
> They could send you a <message/> describing who they are, or use other
> means to tell you they will try to subscribe to your presence.
> E.g.:
> <message from="unknown person" to="you">
> <body>Hello, I am X. Y, could I subscribe to your presence</body>
> </message>
> <presence type="subscribe" from="unknown person" to="you"/>
Then why not just send the spam in the initial message then?
> This is unusable for spammers to "workaround" message from unknown
> source blocking. 
> If you don't want messages from unknown people then you probably don't
> want to receive presece "reasons" containing messages for you. And
> presence reasons _will_ be used to "workaround" message blocking i they
> are available.
If you don't want to receive messages from unknown people then you're probably not going to want to be receiving 
presence requests from them in the first place, let alone a tag in the packet itself.  
> Greets,
> 	Jacek
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David Sutton
Email: dsutton at legend.co.uk
Jabber: peregrine at legend.net.uk

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