Re: postfix and spam, I am impressed

[m.roth@xxxxxxxxx]

Ross Walker wrote:
> On Mar 12, 2012, at 5:25 PM, m.roth@xxxxxxxxx wrote:
>
>> Here's a question: is there any way to inspect an email's headers, and
>> reject it if the alleged FWDN in the From:" doesn't match the oldest
>> "Received: "?
>
> That would be problematic with dual homed mail gateways that received on
> internal interface and delivered on external interface that had different
> host names on each.
>
I'm just trying to think of ways around a blacklist... *esp* the way
dnsorb does, where they'll blacklist an entire block that belongs to a
hosting provider, who provides one external delivery address.

       mark "why, yes, that has happened to me several times"

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