Verizon is easily fooled by spamming zombies

Wed Jun 1 17:00:37 UTC 2005

Patrick W. Gilmore wrote:
> 
> On Jun 1, 2005, at 12:28 PM, Steven Champeon wrote:
> 
>> IOW, VZ isn't even checking to see if a zombie'd host is forging its
>> own domain into HELO, regardless of whether it comes from Comcast or
>> UUNet, and as long as the forged sender has a verizon.net address, and
>> the recipient hasn't blocked VZ's silly callback system, the message
>> is relayed. Thanks, Verizon. We can hear you now.
> 
> 
> The other half of this is if you are on VZ's network and try to send  
> mail through their system, you cannot unless you have a "verizon.net"  
> from address.  Or at least that was the case when my friend with VZ  DSL 
> tried to send e-mail through VZ from her personal domain.
> 

Assuming it does via their systems - most zombies have their own smtp 
engine from what I understand

--
Martin Hepworth
Snr Systems Administrator
Solid State Logic
Tel: +44 (0)1865 842300

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