To continue on this issue... I was able to get the functionality I was looking for by first creating an alias with multiple recipients on the local domain, then using that alias in recipient_bcc_maps to send a copy of a message delivered to a local mailbox to multiple external recipients (as recipient_bcc_maps doesn't directly accept multiple recipients).
Is this the easiest way to send a copy of a message delivered to a local mailbox to multiple recipients (local or remote)? Ville
