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Actually, the Return-Path is standard now, and I don't see any need to add yet another way to specify the envelope recipient. Go read RFC-2821 section 4.4 where this header is defined as a MUST. -- Arik Baratz |
A very helpful addition to support MUAs and MUA-level filters, would be if this was added to the Received header for the MTA handover, e.g.
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