[Operators] DNSBLs
Dave Cridland
dave at cridland.net
Sun Nov 15 06:26:50 CST 2009
------- Original message -------
> From: Evgeniy Khramtsov <xramtsov at gmail.com>
> Sent: 15/11/'09, 5:27
>
> Norman Rasmussen wrote:
>> XMPP validates the sending server via tls and/or dns (dial-back), so it
>> removes many of the unauthenticated problems of SMTP.
> Sure, but the domain is untrusted even if validated. BTW, we don't
> validate c2s-connections.
Right, we authenticate, whereas SMTP cannot, but we don't authorize
specially for a domain. We also authenticate c2s, and we (should) have lots
of authorization there.
Dave.
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