On Tuesday, October 20, 2009 at 21:53 CEST, Daniel L'Hommedieu <dlhommed...@gmail.com> wrote:
> I've been trying to understand the ADDRESS_REWRITING_README and > haven't ever figured it out. Part of the problem is that I don't > understand the terminology that is in use (e.g., "header address" and > "envelope address"). Is there a glossary somewhere that defines these > terms? So far, I have been unable to figure it out using Google... Google returned the following page which explains the difference between header and envelope pretty good: http://blog.tidymail.co.uk/glossary/smtp-envelope/ In short, the envelope is for the actual sender and recipient addresses used by MTAs. The message you're reading right now had an envelope recipient equal to your email address (and possibly others Gmail addresses, as you're not the only Gmail user subscribed to the list) while still having the header recipient address equal to postfix-us...@postfix.org. [...] -- Magnus Bäck mag...@dsek.lth.se