SRV records (was Re: [Mimedefang] OT: www. and "lazy users")

[David F. Skoll]

I naively wrote:

> (I suppose if you somehow knew the IP address and port of a
> listening external SMTP server, you could connect, but that wouldn't
> be feasible for spambots.)

Two seconds' thought shows that this is no protection at all for
spambots, which could run their own DNS subsystem on their own UDP
ports.

Oh, well.

Regards,

David.