Creating a backup of incoming mail

[Will Yardley]

On Mon, Sep 01, 2014 at 09:33:52AM +0200, Patrick De Zordo wrote:
> To backup all mail (incoming and outgoing), BCC all mails, you could
> do the following..
 
> Add to your "/etc/postfix/main.cf" the following:
> ---8<-------------------------------------------------------------------------------------
> # Auto-Backup all mails
> transport_maps = hash:/etc/postfix/transport
> backuplmtp_destination_recipient_limit = 1
> lmtp_destination_recipient_limit = 1
> recipient_bcc_maps = pcre:/etc/postfix/backup_bcc.pcre
> sender_bcc_maps = pcre:/etc/postfix/backup_bcc.pcre

Why not just use $always_bcc?

w