Slightly OT: Greylisting another take

[Paul Howarth]

Alexander Volovics wrote:
> On Fri, Feb 18, 2005 at 03:46:25PM +0000, Paul Howarth wrote:
> 
>>Alexander Volovics wrote:
> 
> 
>>>>Ah, there were spammers on @home which resulted in whole sale black
>>>>listing.  Now that does happen.  Also a lot of email admins will block
>>>>dynamic IP address ranges.  If you happen to be trying to run an email
>>>>server from a dynamic IP address (even if your assigned address has not
>>>>changed in years) a large part of the Internet will not accept SMTP
>>>>connections from you.  In that case you just need to route your email
>>>>through your ISPs SMTP servers.  Not much else you can do about that.
> 
> 
>>>The problem is I *am* routing my email through my ISPs SMTP server!
> 
>  
> 
>>No, you're not. At least you're sending mail to this mailing list 
>>directly from your own machine (cm10703-a.maast1.lb.home.nl 
>>[84.30.68.3]) to Red Hat's MX hosts, not via any smarthost:
> 
>  
> 
>>Received: from cm10703-a.maast1.lb.home.nl (cm10703-a.maast1.lb.home.nl
>>	[84.30.68.3])
>>	by mx1.redhat.com (8.12.11/8.12.11) with ESMTP id j1IFgvvu021330
>>	for <fedora-list at redhat.com>; Fri, 18 Feb 2005 10:42:57 -0500
>>Received: by af.ever.maas (Postfix, from userid 500)
>>	id C7446140FEB; Fri, 18 Feb 2005 16:46:37 +0100 (CET)
> 
> 
> Yes, I am! 
> This is probably due to my postfix main.cf setup which contains
> the line: "smtp_helo_name = cm10703-a.maast1.lb.home.nl"
> 
> I did this to keep all traces of my home network out of the headers.
> Maybe I should rethink this.

The top Received: line above shows mx1.redhat.com receiving a connection 
from 84.30.68.3; is that your IP or your ISP's smarthost's IP? My 
money's on the former.

Paul.