From: Sahil Tandon (no email)
Date: Thu May 01 2008 - 20:04:17 EDT
* Victor Duchovni <> [2008-05-01 19:24:17 -0400]:
> On Thu, May 01, 2008 at 04:17:26PM -0700, Curtis Vaughan wrote:
> > This is great question, as I've been wondering how people meet gov.
> > requirements on storing corp. emails with Postfix.
> > As it is our problem is that some people use POP3 and delete as they
> > download (I've been fighting this for years, but I can't control the
> > foreign office!).
> > Anyhow.... Even with IMAP, although most mail is saved, still there is
> > they can delete emails from Trash and then those emails are lost.
> You can get a fair wait with regexp based recipient_bcc_maps, which
> allow you to capture the original envelope recipient. Merge message
> copies are not sufficient IMHO as headers are not accurate/complete.
> I usee a "tee" proxy that sends an encapsulated archive copy and the real
> message in parallel (archive "." immediately precedes message "." and
> blocks message delivery on failure).
Is there publicly available documentation on how to implement the tee proxy
backup solution in Postfix?
-- Sahil Tandon <>