On Thu, 21 Aug 2008 09:17:43 -0400 (EDT) [EMAIL PROTECTED] (Wietse Venema) wrote:
> Bj?rn T Johansen: > > > > > Please read the documents that I referred you to. > > > > > > > > Yes, I did but I am not sure what the solution is? I see that the D > > > > flag adds a Delivered-To header and that > > > > it checks the mail to see if it already has a Delivered-To header and > > > > the message is returned as undeliverable > > > > if so, as of version 2.5.x... > > > > But is the solution to this to remove the D flag from the pipe > > > > transport? Or should I increase > > > > dovecot_destination_recipient_limit from 1 to 2? > > > > > > Given this description: > > > > > > D Prepend a "Delivered-To: recipient" message header > > > with > > > the envelope recipient address. Note: for this to > > > work, > > > the transport_destination_recipient_limit must be 1 > > > (see > > > SINGLE-RECIPIENT DELIVERY above for details). > > > > > > The D flag also enforces loop detection (Postfix 2.5 > > > and > > > later): if a message already contains a > > > Delivered-To: > > > header with the same recipient address, then the > > > message > > > is returned as undeliverable. The address > > > comparison is > > > case insensitive. > > > > > > This feature is available as of Postfix 2.0. > > > > > > Which solution would you pick when mail is returned as undeliverable > > > because a "mail forwarding loop" was detected? > > > > > > You will have to use your own brain cycles. > > > > > > > Well, I just thought that the D flag was included for a reason > > and that removing the flag maybe would break something else... > > > Instead of wasting time to write such long answer maybe a simple > > yes or no would be sufficient....... Isn't that the idea with a > > mailinglist, getting help and verify solutions or am I misunderstanding > > something?? > > No, the purpose is to help you choose the best solution. It's your > system. You decide what is best. > > - One possibility is to stop using the D flag and thereby disable > loop detection in the pipe mailer (which didn't work before > Postfix 2.5). > > However it is possible that you have other mail software that > depends on the presence of this header. Only you can make that > determination, not this mailing list. > > - Another possibility is to keep loop detection, and to fix the > system that falsely prepends the Delivered-To: header BEFORE mail > is given to Postfix. > > Wietse That's the answer I was looking for, thx! :) BTJ
