From: GrayHat <gr...@gm...> - 2008-06-06 06:35:53
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> Thats a good point. I think a header field would really be > the only way to do it without interfering with other spam-filtering > mechanics the problem then is... will the NDR sending MTA keep that header ? Or will it just throw away it ? In the latter case the "X-Header" won't be of any help; that's why I thought to "mangling" the mail address since that one WILL be used to send back the NDR |