Mailing list reconfiguration: VERP Sender: header affected

Mailing list reconfiguration: VERP Sender: header affected

[Frank Ch. Eigler]

Hi -

I made an experimental configuration change on sourceware/gcc.gnu.org
yesterday that had unforeseen effects on some mailing list
subscribers.  We turned on VERP (variable envelope return paths) on
outgoing mail from mailman, in order to assist tracking mail delivery
problems.  This changes the Sender: field that allows precise handling
of bounces, but interferes with filtering on that field.

If you use Sender:-based filtering for sorting your incoming email
stream, I suggest switching to observing List-Id: instead, or else
using a regexp/substring style of Sender: matching.

We're not sure we're keeping the new configuration yet.  It's
performing well.  With either of the two changes, you would be
immunized against change even if we return to the previous
configuration sometime.  I'm sorry about the inconvenience!

- FChE

Re: Mailing list reconfiguration: VERP Sender: header affected

[Martin Liška]

On 6/2/21 4:52 PM, Frank Ch. Eigler via Gcc wrote:
> If you use Sender:-based filtering for sorting your incoming email
> stream, I suggest switching to observing List-Id: instead, or else
> using a regexp/substring style of Sender: matching.

Which we recommend in the ection Filtering here:
https://gcc.gnu.org/lists.html

Martin

Re: Mailing list reconfiguration: VERP Sender: header affected

[Gerald Pfeifer]

On Thu, 3 Jun 2021, Martin Liška via Overseers wrote:
> On 6/2/21 4:52 PM, Frank Ch. Eigler via Gcc wrote:
>> If you use Sender:-based filtering for sorting your incoming email
>> stream, I suggest switching to observing List-Id: instead, or else
>> using a regexp/substring style of Sender: matching.
> Which we recommend in the ection Filtering here:
> https://gcc.gnu.org/lists.html

Now we do. ;-)  We did recommend Sender: until

  commit 8beab8102fd97e0bc745a285e619c08c52d74b6f
  Author: Segher Boessenkool <segher@kernel.crashing.org>
  Date:   Tue Jun 1 15:50:57 2021 +0000

    lists: Correct procmail recipe

Thanks for the note, Frank!
Gerald