I checked those. They all look good.

My local domains is good as well.

Its almost like they're able to somehow add their helo to my domain.

For example, I was getting spam'd off of and the helo was "user".

On my server, when I pinged "user", it would resolve to 
user.internetfinesse.com

Now, they're using info. I'd telnet and test, but my IP is in my accept 
all mail from.

The firewall detects if I'm connecting via telnet and kills the session 
when I try it from work (ISP firewall).

I'm at a loss how they're doing this.

C

Paul wrote:
> On 5 Apr 2007 at 10:45, Chris Norman wrote:
>
>   
>> Basically, I believe someone is getting through via the HELO they are 
>> passing.
>>     
>
> I can't think how a helo is going to allow 
> relaying.
>
> Check what you have in accept all mail, local 
> domains, and ispip.
>  
>   
>> I need a way to test this other than telnet, as the firewall in front of 
>> my server detects that and blocks it.
>>     
>
> ..but it doesn't block telnet to port 25, does 
> it?
>
> paul
>
>
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