[Operators] How-to fight with SPAM accounts

Peter Viskup skupko.sk at gmail.com
Thu Nov 19 02:08:38 CST 2009

Anyway - I am still not convinced SPAM in XMPP is real.
Does anybody have real experience with SPAM in XMPP network? I know about
SPAM from 'transported' IM's (e.g. ICQ), but this is not an issue of XMPP
and should not be handled by XMPP servers.

On Thu, Nov 19, 2009 at 1:22 AM, Peter Viskup <skupko.sk at gmail.com> wrote:

> Hi all,
> I just went trough the discussions 'How is XMPP better than SMTP for spam
> prevention?' [1] and fresh 'DNSBLs' [2] and was little bit thinking about
> the fighting against SPAM accounts.
> I have one - probably not bad/well - opinion:
>   - define XEP in this way (sorry for any not well formed sentences ;-) ):
> 1) each XMPP account have SPAM-ratio and each server is administering SPAM
> ratio's for it's accounts
> 2) every XMPP messsage user received can user mark as SPAM and this will
> send the 'SPAM-hit' to the XMPP server of sender JID
> 3) every XMPP server is calculating the number of messages sent by the XMPP
> account for last session/week/month/any-other-timeframe and 'SPAM-hit' and
> the account will be blocked/removed if the threshold of SPAM-limit will be
> reached
> 4) it is needed to find way how to gain with not polite XMPP servers
> (servers which have not well defined this 'anti-SPAM' XEP)
> This (in more sophisticated design) could be the right fighting tool
> against SPAM.
> It will be:
> - decentralised
> - not based on bloking DNSs/IPs (the worst way to deal with SPAM on XMPP)
> - all XMPP users will be involved in anti-SPAM fight (much powerful like
> any SpamAssassin)
> - not using too much server resources
> - not based on the list of DNSs/IPs which will be growing in time
> Something similar is probably already in discussion within XMPP Working
> Group or somewhere else - I really do not know.
> This was just very quick thought about anti-SPAM solution for XMPP. This is
> not final Draft of XMPP WG :-).
> I do not like CAPTCHA and W/BLs - if there is any other way how to
> implement anti-SPAM and improve security of XMPP network - then do that in
> way when comfort of polite users will not be affected.
> I think that the key for the 'right/best' anti-SPAM XMPP solution is to
> involve regular/polite XMPP users in any way.
> Best regards,
> Peter Viskup
> [1] http://mail.jabber.org/pipermail/juser/2008-August/006552.html
> [2] http://mail.jabber.org/pipermail/operators/2009-November/000728.html
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