On Thu, Mar 26, 2015 at 05:54:21PM +0100, Andr? Peters wrote: > For a mail archiving solution I need to write all BCC'ed recipients to a > X-header. I am looking for a better way to hide this X-header from users > than ignoring it at delivery and only keep it for recipient > "arch...@archive.domain.tld".
The alternative is to use recipient_bcc_maps instead of always_bcc, with a per-recipient archive address that encapsulates the original recipient address. This avoids adding headers that need to be removed in normal delivery. -- Viktor.