Re: What makes Yahoo! a good merger candidate?

[Paul Schmehl <pauls () utdallas edu>]

--On Wednesday, February 06, 2008 12:25:19 -0500 Harry Hoffman 
<hhoffman () ip-solutions net> wrote:

> You just need to take it a step further :-)
>
> ...
> rcpt to: <nosuchuser12323123123123132124432342 () yahoo com>
> 250 recipient <nosuchuser12323123123123132124432342 () yahoo com> ok
> data
> 354 go ahead
> Testing
> .
>
> 554 delivery error: dd This user doesn't have a yahoo.com account
> (nosuchuser12323123123123132124432342 () yahoo com) [0] -
> mta367.mail.mud.yahoo.com
> 421 Service not available, closing transmission channel.
> Connection closed by foreign host.
>
>
> Valdis.Kletnieks () vt edu wrote:
> > On Wed, 06 Feb 2008 10:44:10 CST, Paul Schmehl said:
> >
> > > RCPT TO: <abuse () yahoo com>
> > > 250 recipient <abuse () yahoo com> ok
> >
> > % telnet f.mx.mail.yahoo.com 25
> > ...
> > rcpt to: <ctl-alt-cokebottle () yahoo com>
> > 250 recipient <ctl-alt-cokebottle () yahoo com> ok
> >
> > Yee. Hah.  They 250 for a probably-nonexistent account (unless that
> > one actually *does* exist? :)

They're also the first mail server I've ever connected to that won't accept 
user () domain tld and insists on <user () domain tld> instead.  So, I'm not 
surprised to find that they 250 everything you type in.

I guess RFCs are even more meaningless now than they always have been.   :-(

BTW, privately I was informed that the *real* address is security () yahoo-inc com.

Who knew.

-- 
Paul Schmehl (pauls () utdallas edu)
Senior Information Security Analyst
The University of Texas at Dallas
http://www.utdallas.edu/ir/security/

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/