I wrote: >Is there a simple way to put all outgoing mail (i.e., everything that >would normally be processed by the default "smtp" instance) into the >HOLD queue?
Thanks for the responses. Considering the disadvantages of using the HOLD state that Noel describes, I think I'll use Wietse's suggestion. Though it doesn't allow releasing individual messages, it is at least a much cleaner way to do it than blocking with a firewall rule.
