colin campbell vuditvxcitecqldgovau hi setup follows host running exchange handles email examplecom users local remote users arent local sent host b host b running postfix rewrites virtual_alias_maps examplecom examplenet uses host c relay host host c receives email host b forwards mail server examplenet question relates following scenario suppose ktrq2examplecom sends email wkgh6examplecom user2 one remote users email forwarded host host b host b rewrites wkgh6examplecom wkgh6examplenet tries send host c unfortunately host c email delayed postfix sends delay notification delay notification subject virtual_alias_maps rewrite ie ktrq2examplecom rewritten ktrq2examplenet whats best method stopping suggestions welcome guess also ask virtual_alias_map best way handle colin colin campbell unix supportpostmasterhostmaster citec 61 7 3227 6334 fri 08 aug 2008 190922 1000 question regarding virtual alias rewriting