My HELO check is:
^(([a-z\d][a-z\d\-]*)?[a-z\d]\.)+[a-z]{2,6}$
Thoughts?
C
Chris Norman wrote:
> It doesn't forge the helo info, so I"m not sure this will work.
>
> Marcel van Lieshout wrote:
>
>> try this from your mailserver
>>
>> do a telnet to relay-test.mail-abuse.org/
>>
>> hth
>>
>> Marcel
>>
>>
>> Chris Norman wrote:
>>
>>> And I'm trying to figure out how.
>>>
>>> Does anyone know of a utility that will send email and try different
>>> parameters?
>>>
>>> Basically, I believe someone is getting through via the HELO they are
>>> passing.
>>>
>>> I need a way to test this other than telnet, as the firewall in front
>>> of my server detects that and blocks it.
>>>
>>> Can anyone recommend a site or small win32 tool?
>>>
>>> Thanks,
>>> Chris
>>>
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