Hi, my company has 2 domains, @Dom1 and @Dom2, inbound external mail (addressed to user@Dom2) arrives at ServerB/Dom1 but is routed to the users mail at ServerA/Dom1. User now replies to the mail using his iNotes access but backend the SendTo field gets appended with the @Dom2. This results in the error Error transferring to ServerC.Dom1; SMTP Protocol Returned a Permanent Error 554 Relay rejected for policy reasons.