On Sat, Apr 04, 2015 at 08:36:58AM -0400, Wietse Venema wrote: > Strictly speaking, recipient_bcc_maps is redundant > because the same can be done (more clumsily) with virtual_alias_maps.
If I recall correctly, the handling of DSN and bounces is different for MTA added BCC recipients. Failure to deliver a BCC recipient does not result in a notice to the envelope sender. -- Viktor.