[Mimedefang] $RelayHostname not matchingsendmail's Receivedheader?
Michael Sims
michaels at crye-leike.com
Wed Dec 6 14:55:28 EST 2006
John Rudd wrote:
> Michael Sims wrote:
>> John Rudd wrote:
>>> What exactly is it that you're trying to do?
>>
>> Get the PTR for the connecting relay, even if the forward and
>> reverse lookups don't match. Apparently $RelayHostname only
>> contains the PTR if they do match. Currently I'm checking for this
>> and using Net::DNS to get the PTR myself if necessary...
>
> That part I could figure out.
Oops, sorry. :)
> I meant "what are trying to accomplish once you have that PTR record"?
[...]
> c) the hostname doesn't contain 2 or more octets of its IP address in
> hex or decimal form
> d) the hostname doesn't contain certain "client like" keywords (dsl,
> dynamic, dialup, etc.)
Pretty much c) and d) above. I'm adding additional headers that people can opt to use for filtering if they want.
Thanks for the pointer to Botnet, I wasn't aware of its existence. I'll definitely check it out. It looks like it requires SA 3.x, though, right? I'm still on 2.64 and I don't think it has the plugin architecture, but I could be wrong...
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