Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-22 Thread Todd C . Miller
On Fri, 22 Mar 2024 08:16:22 -, Stuart Henderson wrote: > I've got to say, I find the From rewrites less annoying than not > scrubbing MIME parts, though I'd prefer if Reply-To was set (to > list+sender, leaving any Mail-Followup-To in place). Many lists have > done this (often for all senders

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-22 Thread Odhiambo Washington
On Fri, Mar 22, 2024 at 4:41 PM Stuart Henderson wrote: > On 2024-03-22, Odhiambo Washington wrote: > > --3aa8dc06143b8cab > > Content-Type: text/plain; charset="UTF-8" > > Content-Transfer-Encoding: quoted-printable > > > > On Fri, Mar 22, 2024 at 11:18=E2=80=AFAM Stuart Henderson >

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-22 Thread Stuart Henderson
On 2024-03-22, Odhiambo Washington wrote: > --3aa8dc06143b8cab > Content-Type: text/plain; charset="UTF-8" > Content-Transfer-Encoding: quoted-printable > > On Fri, Mar 22, 2024 at 11:18=E2=80=AFAM Stuart Henderson opper.org> > wrote: > >> On 2024-03-21, Roderick wrote: >> > --00

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-22 Thread Odhiambo Washington
On Fri, Mar 22, 2024 at 11:18 AM Stuart Henderson wrote: > On 2024-03-21, Roderick wrote: > > --e4360006142cfd57 > > Content-Type: text/plain; charset="UTF-8" > > Content-Transfer-Encoding: quoted-printable > > > > Is it not ARC meant to be the solution for > > this problem? > > That

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-22 Thread Stuart Henderson
On 2024-03-21, Roderick wrote: > --e4360006142cfd57 > Content-Type: text/plain; charset="UTF-8" > Content-Transfer-Encoding: quoted-printable > > Is it not ARC meant to be the solution for > this problem? That was sort-of the idea, but it requires mail server admins to decide which AR

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-21 Thread Tobias Fiebig
Moin, > Is it not ARC meant to be the solution for > this problem? Yeah, technically, ARC _should_ help with this. However, in practice, trusting ARC is not really that common. > Would DMARC then consider the original > DKIM and SPF tests? Kind of; DMARC would trust the signed ARC headers that e

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-21 Thread Roderick
Is it not ARC meant to be the solution for this problem? Would DMARC then consider the original DKIM and SPF tests? Todd C. Miller schrieb am Mi., 13. März 2024, 14:56: > I've just added support to our majordomo for rewriting the From: > header when the sender's domain has a DMARC policy. Mess

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-18 Thread Tobias Fiebig
Moin, > I am intentionally double-posting this email (once from my personal > domain, once from reads-this-mailinglist.com) to see how well > preserving messages as sent works/impacts deliverability. Some results on this: For the mail from @reads-this-mailinglist.com all DMARC reports indicated

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-15 Thread Tobias Fiebig
Moin, > > I've disabled the From: rewriting for now after complaints that it > makes things a lot less usable.  We'll try preserving messages as > sent instead, which means that text/html parts will now be passed > through (sorry). > Darn, but i see where this can break the workflow of people. I

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-15 Thread Tobias Fiebig
Moin, > > I've disabled the From: rewriting for now after complaints that it > makes things a lot less usable.  We'll try preserving messages as > sent instead, which means that text/html parts will now be passed > through (sorry). > Darn, but i see where this can break the workflow of people. I

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-15 Thread Dan
I notice date an time of your reply. You are quite ridiculus all. Hoping to find any "indipendent head" around OpenBSD or leave.. -Dan Mar 15, 2024 17:13:52 Dan : > Todd C. Miller : > >> I've disabled the From: rewriting > > Indeed it appeared too secure for OpenBSD...

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-15 Thread Dan
Todd C. Miller : > I've disabled the From: rewriting Indeed it appeared too secure for OpenBSD...

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-15 Thread Dan
Todd C. Miller wrote: > I've just added support to our majordomo for rewriting the From: > header when the sender's domain has a DMARC policy.  Messages from > domains using DMARC will now have a From: header like: > >     From: "John Connor via misc" I want to thank you for the From rewriting.

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-15 Thread Todd C . Miller
On Wed, 13 Mar 2024 11:54:14 -0600, Todd C. Miller wrote: > I've just added support to our majordomo for rewriting the From: > header when the sender's domain has a DMARC policy. Messages from > domains using DMARC will now have a From: header like: > > From: "John Connor via misc" > > and t

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-13 Thread Tobias Fiebig via misc
Moin, On Wed, 2024-03-13 at 11:54 -0600, Todd C. Miller wrote: > I've just added support to our majordomo for rewriting the From: > header when the sender's domain has a DMARC policy.  Messages from > domains using DMARC will now have a From: header like: Awesome, thanks! > I could relax this bu

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-13 Thread Josh Grosse via misc
On March 13, 2024 1:54:14 PM EDT, "Todd C. Miller" wrote: >I've just added support to our majordomo for rewriting the From: >header when the sender's domain has a DMARC policy. Messages from >domains using DMARC will now have a From: header like: > >From: "John Connor via misc" > >and the or

Re: DMARC/DKIM and OpenBSD Mailinglists

2024-03-13 Thread Todd C . Miller
I've just added support to our majordomo for rewriting the From: header when the sender's domain has a DMARC policy. Messages from domains using DMARC will now have a From: header like: From: "John Connor via misc" and the original From: address is preserved in the X-Original-From: header i

DMARC/DKIM and OpenBSD Mailinglists

2024-03-11 Thread Tobias Fiebig
Moin, as some more notifications started to stack up about bouncing messages from various openbsd mailinglists (and my logs start to reach two digit numbers over the past two weeks), i figured it might be good to send a note about this: The openbsd mailinglists break (for reasonable reasons) DKIM