[Operators] Announce: Jabber Spam Fighting Manifesto (for public servers)

Jan Pinkas pinkas at humboldtec.cz
Thu Feb 8 14:31:46 UTC 2018

SMS are not free of charge service. This is maybe reason, why there is
SMS-SPAM not work. Still i get many SMS messages, which i don't requested.
Sorry, but SMS is not good example. Period.

2018-02-08 14:44 GMT+01:00 Denver Gingerich <denver at ossguy.com>:

> On Thu, Feb 08, 2018 at 02:27:50PM +0100, Jan Pinkas wrote:
> > We need technical solutions:
> > 1. Default behavior: don't accept messages from contacts without
> > subscription. This is default for other IM systems.
> This is not the default for the most popular IM system: SMS.
> Please do not implement this on your server, otherwise many useful
> services (such as those that emulate or integrate with SMS) will not work
> anymore, and your users will have no idea why.
> There are lots of other ways to combat spam.  I've outlined the steps used
> in the Prosody configuration that I and some friends use here:
> https://lists.debian.org/debian-rtc/2018/02/msg00000.html .
> I built and operate https://jmp.chat/ (JMP) - a service that lets you
> send and receive text and picture messages using a real phone number from
> your existing XMPP account.  Though we like to advertise that XMPP is great
> and you can use any XMPP server with JMP, we realistically won't be able to
> do that much longer, exactly because server operators are starting to use
> the "strategy" you described.  We constantly have to debug situations where
> a user's server suddenly stops allowing messages from contacts not in their
> roster, and it is very painful, both for us and the user.  We do maintain a
> list of recommended servers at https://jmp.chat/suggested_servers.html
> but not everyone wants to use one of those (or maybe has an account
> elsewhere already).
> I really don't want to create a public list of non-recommended servers
> (i.e. those that do not work well with JMP and other SMS services because
> they silently ignore messages from contacts not in their users' rosters).
> So please use other spam-fighting techniques instead, such as those
> discussed in the Manifesto, and those at https://lists.debian.org/
> debian-rtc/2018/01/msg00005.html .
> I'm happy to respond to any questions about this or about JMP generally.
> Thanks, everyone, for your work to improve the state of XMPP servers!
> Denver
> https://jmp.chat/
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