On 12 Feb 2023, at 17:53, Wietse Venema <wie...@porcupine.org> wrote: > To bcc to multiple recipients with existing Postfix versions, specify > one address with always_bcc (or sender_bcc_maps or recipient_bcc_maps), > and expand that into multiple recipients using virtual_alias_maps.
Right, so this matches what I thought would work. > To avoid repeated expansions and repeated spam filters, look for > receive_override_options in https://www.postfix.org/FILTER_README.html. Thank you for this. Cheers, Arrigo
