alain kelder xgak4lifecom thought uhoh could accomplish goal following virtual_alias_maps transport_maps setup virtual_alias_maps ervvdomaintld ervvdomain1tld userdomain2tld heacdomaintld ervvdomain1tld userdomain2tld jndxdomaintld ervvdomain1tld userdomain2tld transport_maps domain1tld relay19216802 domain2tld relay19216803 mx2 mx3 19216802 19216803 respectively mx1 internet facing public ip mx record domaintld alain kelder wrote hello im looking test two different antispam solutions would like incoming message routed two smtp servers like internets mx1 mx2antispam1 mailstore1 mx3antispam2 mailstore2 incoming message mx1 would send identical copy mx2 mx3 sort postfix configuration mx1 accomplish would always_bcc option thanks bunch tue 05 aug 2008 191610 0800 route one incoming mail several smtp servers