Re: Proposal for new SMTP error code

[Keith Moore <moore@xxxxxxxxxx>]

> Keith Moore <moore@cs.utk.edu> writes:
> > Actually, I'd like a response of the form:
> > 
> > HELO planet-p.com
> > 521 Sorry, I don't accept mail.  I'm a toaster!
> 
> The 521 response is given in the initial greeting.  I've suggested the
> proposal be changed so that the SMTP server shuts down the connection
> at that point, as is done for the 421 initial greeting.  The client
> then never gets a chance to say HELO.

Fine w/me.  (You can delete the HELO line in my example.)
 
> The security concerns with a server that emits a fixed string without
> accepting any input are, shall we say, limited.

Who knows, if a cracker knew a machine were a toaster, he might use 
the Toaster MIB (tm) to set the toast darkness level to 2**31 and 
start a fire.

(please don't take the toaster stuff too seriously!)

cheers,

Keith