[LinuxBIOS] [ADMIN] Mail headers: random variations?
stepan at coresystems.de
Sun Nov 25 15:46:16 CET 2007
Man, you gotta have plenty of time ;-)
It's called VERP - Variable envelope return path
Every 1 of X mails is sent out with a variable header. That's a
compromise between mail server load / traffic and undeliverable mail
No reason to worry. This is all on purpose ;-)
* Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net> [071124 13:17]:
> (yes, I read mail headers.) I have noticed that mails I receive via the
> list can have two differing Return-Paths, depending on some random
> circumstances. Both of the following header lines have been seen for
> mails sent 3 seconds after each other, differing in amost nothing except
> the Return-Path:
> <linuxbios-bounces+c-d.hailfinger.devel.2006=gmx.net at linuxbios.org>
> Return-Path: <linuxbios-bounces at linuxbios.org>
> The Return-Path variation is independent of the original sender, I have
> seen it for autogenerated commit mails as well as mails for every single
> person I checked.
> Is anybody else seeing this?
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