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Re: helo=<IP> detection

2006-11-22 11:46:17
Am 2006-11-19 13:18:08, schrieb Google Kreme:
On 18-Nov-2006, at 09:37, Michelle Konzack wrote:
all received spams has exactly this "(helo=[12.34.56.78])" construct.

Wait.  Are you using the valid IP address 12.34.56.78 as a poorly  
chosen placeholder, or do you really mean it's from AT&T Worldnet?

I get severasl 1000' per day from this network!

I have tried to block the Network but the I block friends too and
those friends have a correct "helo" in the received headers.

Do you have tried an Reverse-Lookup on the IP?
This is definitivly NO legal SMTP-Relay.

12.34.56.789 would be a much better placeholder, as it is an  
impossible IP.

Right but it can not be since [A.B.C.D] is taken from the sending IP

And since I have millions of SPAM in my Folders I have enough
to test all possible filters.

Greetings
    Michelle Konzack


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