[Operators] Rosters flood

[Dave Cridland]

On Wed Sep  8 16:30:08 2010, Evgeniy Khramtsov wrote:
> 09.09.2010 01:22, Jesse Thompson пишет:
>> Has anyone ever suggested the idea of clients and/or servers  
>> implementing features to not deliver, or segregate, messages from  
>> users that aren't subscribed to each others presences?
> 
> There is a problem with subscriptions: you cannot block them  
> efficiently using roster mechanism. Another problem is MUC (for  
> obvious reasons).

So we need captchas as a possible response to <presence  
type='subscribe'/>, do you think?

Dave.
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