postfix 3.x transport maps

Hello, Recently i upgraded to postfix 3.1 and i have an issue with the transport maps. i have a tcp loockup table in the transport maps and in some condition i make a retry destination. in postfix 2.11 if the loockup table gives retry then the message is accepted from the client and defer

message_drop_headers, received, milter

Hi, I have an issue with message_drop_headers. I want to hide the Received header and i have dk-milter set in smtpd_milters. If i set message_drop_headers=bcc, content-length, resent-bcc, return-path, received then the signature is broken (domainkeys=fail (bad sig)), if i leave the default va