Re: [Exim] Address rewriting vs. CNAME records?

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Auteur: Matthew Byng-Maddick
Date:  
À: exim-users
Sujet: Re: [Exim] Address rewriting vs. CNAME records?
On Fri, Feb 07, 2003 at 03:04:39PM -0500, Greg A. Woods wrote:
> [ On Friday, February 7, 2003 at 19:21:39 (+0000), Matthew Byng-Maddick wrote: ]
> > This is nothing other than complete rubbish. FUD. No TCP Wrappers
> > implementation I have ever seen assumes what you've said.
> I'm sorry you feel that way -- obviously you've never read the code, at
> least not with deep enough comprehension to understand what it does.


Perhaps you're talking rubbish?

> Perhaps you should try mis-configuring your DNS and then connect to my
> mailer and try sending me e-mail, for example. My FTP server is a
> little more lax, but it'll also reject clients with badly inconsistent
> forward and reverse DNS. The only "unprotected" server I run is my HTTP
> server -- and I really don't care what hostname any HTTP clients connect
> from, only their IP address, and that they can't as easily spoof.


| 220-most.weird.com Smail-3.2.0.115-Pre (#1 2003-Feb-1)
| 220-ready at Fri, 7 Feb 2003 15:35:41 -0500 (EST)
| 220 ESMTP supported
| EHLO colon.colondot.net
| 250-most.weird.com Hello colon.colondot.net (mbm@from address [193.201.200.70]), here is what we support:
| 250-ENHANCEDSTATUSCODES
| 250-SIZE 102400
| 250-PIPELINING
| 250-EXPN
| 250-VRFY
| 250 HELP
| MAIL FROM:<mbm@???>
| 250 2.1.0 mbm@??? Sender Okay.
| RCPT TO:<woods@???>
| 250 2.1.0 '<woods@???>' Recipient Okay.
| RSET
| 250 2.3.0 Reset state
| QUIT
| 221 2.2.0 most.weird.com closing connection


The box in question (colon.colondot.net) does not have PTRs for every
single A record that points to it. Far from it.

Now, your point?

MBM

--
Matthew Byng-Maddick         <mbm@???>           http://colondot.net/