Backscatter & challenge response

[Hugo van der Kooij]

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Paul Houselander (SME) wrote:

| In common with lots of people I've seen a massive increase in the
amount of
| backscatter my domains are getting. I implemented watermarking which has
| helped a great deal.
|
| What I'm getting complaints about now are the mails coming in from
annoying
| challenge response systems, the mails don't come from postmaster, <>
etc...
| so the watermark does not get looked at.
|
| Just wondered if anyone had any bright ideals as to how to combat it?
|
| I've been looking at a selection I've been sent through this morning and
| there doesn't seem to be anything consistent about them and there not
| hitting many spamassasin rules.

I considere them hostile spam senders and blacklist them accordingly.

Hugo.


- --
hvdkooij at vanderkooij.org               http://hugo.vanderkooij.org/
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	A: Yes.
	>Q: Are you sure?
	>>A: Because it reverses the logical flow of conversation.
	>>>Q: Why is top posting frowned upon?

Bored? Click on http://spamornot.org/ and rate those images.

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