text_combined: victor duchovni dxdewmdieulnutmorganstanleycom wed feb 13 2008 104131am 0300 alexey lobanov wrote inverse yes also feasible use independent postfix feature sender_canonical_maps rewrite nonuniform sender addresses mailalternateaddress qmail schema corporatestandard canonical mail use sender_canonical_maps use either canonical_maps mail input smtp_generic_maps remote smtp deliveries headers senders recipients addresses used depends context cc header example effectively contains sender addresses recipient wants replyall needs canonicalized exactly way addresses viktor disclaimer offlist followups get onlist replies get ignored please ignore replyto header unsubscribe postfixusers list visit httpwwwpostfixorglistshtml click link response solves problem best way thank send worked thanks followup must respond please put worked thanks subject delete quickly tue 05 aug 2008 230606 0500 muliple site single domain