vvrpgsporcupineorg thomas ledbetter im wondering else done taking look qshape postfix readme see discussion regarding default_destination_concurrency_limit parameter sounds promising affects destinations way control concurrency limits perhost basis indirectly use transport_maps entry deliver mail nondefault mail delivery transport mastercf set transport name_destination_concurrency_limit clone smtp smtp line give different name first field postfix reload current qshape_readme file examples httpwwwpostfixorgqshape_readmehtml wietse tue 05 aug 2008 185248 0500 bcc mail storms