[Asterisk-Users] ATTN: Keith - Seriously OT

[Terry H. Gilsenan]

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of 
> Andrew Kohlsmith
> Sent: Friday, 10 June 2005 8:16 PM
> To: asterisk-users at lists.digium.com
> Subject: Re: [Asterisk-Users] ATTN: Keith - Seriously OT
> 
> On Friday 10 June 2005 04:08, Terry H. Gilsenan wrote:
> > Received: from source ([81.56.129.44]) by exprod5mx8.postini.com
> >  ([64.18.4.10]) with SMTP; Fri, 10 Jun 2005 00:29:16 PDT
> >
> > Your MTA claimed it was called "SOURCE" but rDNS tells the 
> recipient 
> > MX that it is called: "mail.linuxautrement.com"
> 
> I too will block emails with a non-FQDN HELO or EHLO.  I 
> feel, however, that reverse should not have to match forward 
> lookups for mail exchangers.  It's an assinine requirement 
> (my box does web, mail, dns and a host of other services, why 
> should I need it to be called 'mail' for both forward and 
> reverse lookups just to get mail flowing?  Assinine.

Your server your rules, however in this day of increasing trojan SMTP
engined boxes, you should expect to get les and less deliverability.

The point I was making is that the MTA was using a faked name in the HELO.
That is an immediate red flag to a well configured MX.

Shrug,