Subject tag [Dovecot] is gone

Bernd Petrovitsch bernd at
Tue Jun 10 15:15:38 UTC 2014

On Die, 2014-06-10 at 11:04 -0400, Chris Young wrote:
> Gmail doesn't let me filter on message headers so I've updated my filter as
> follows

One more reason not to use it;-)

> On Tue, Jun 10, 2014 at 10:51 AM, Koenraad Lelong <
> dovecot at> wrote:
> > Just wanted to ask what happened to "[Dovecot]" when I saw this mail.
> > Could you tell me how to find the List_ID ? I looked at the raw mail, but I
> > didn't find it :
> > Reply-To: Dovecot Mailing List <dovecot at>

You could use that header (which actually should better be gone because
reply-to munging considered harmful) or some other header field with
"dovecot" somewhere.

FTR: I find
----  snip  ----
List-Id: Dovecot Mailing List <>
List-Unsubscribe: <>,
 <mailto:dovecot-request at>
List-Archive: <>
List-Post: <mailto:dovecot at>
List-Help: <mailto:dovecot-request at>
List-Subscribe: <>,
 <mailto:dovecot-request at>
----  snip  ----
in every mail header (=> RFC-2919).
Is someone filtering headers on your side or the MUA just not displaying
really all of them?

> > Another thing I'm wondering about is if I should allow text/html parts, =
> > because removing them will also break the DKIM signatures. Or mainly I'd =
> > like to allow only multipart/alternative with text/plain + text/html, =

FWIW text/html is actually overrated and - essentially - superfluous.
Additionally it makes it even easier to fool the average user.

Kind regards,
Bernd Petrovitsch                       Email: bernd at

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