Re: [mailop] Google Mail rejects forwarded email despite `~all` in SPF

2024-04-22 Thread Suresh Ramasubramanian via mailop
” should not in any case scale. From: mailop on behalf of Grant Taylor via mailop Date: Tuesday, 23 April 2024 at 9:35 AM To: mailop@mailop.org Subject: Re: [mailop] Google Mail rejects forwarded email despite `~all` in SPF On 4/22/24 09:16, Matus UHLAR - fantomas via mailop wrote: > I'm afr

Re: [mailop] Google Mail rejects forwarded email despite `~all` in SPF

2024-04-22 Thread Grant Taylor via mailop
On 4/22/24 09:16, Matus UHLAR - fantomas via mailop wrote: I'm afraid this is very long term solution - the recipient needs to trust your ARC signatures. IMHO the "the recipient needs to trust your ARC signature" is ARC's Achilles' heel. I have not seen any way to get around this -- what I

Re: [mailop] Google Mail rejects forwarded email despite `~all` in SPF

2024-04-22 Thread John Levine via mailop
It appears that Paul Menzel via mailop said: > The following message to was undeliverable. > The reason for the problem: > 5.3.0 - Other mail system problem 550-'5.7.26 This mail has been >blocked because the sender is unauthenticated.\n5.7.26 Gmail requires >all senders to

Re: [mailop] Google Mail rejects forwarded email despite `~all` in SPF

2024-04-22 Thread Dave Crocker via mailop
But In this case, envelope sender domain is different from domain in header From: and then SPF checks don't apply to DMARC. So, if you want to have proper DKIM, you must set From: to your domain and DKIM-sign it. To be finicky: DKIM does not care what domain is used in its d= parameter. 

Re: [mailop] Google Mail rejects forwarded email despite `~all` in SPF

2024-04-22 Thread Matus UHLAR - fantomas via mailop
On 22.04.24 10:00, Marco Moock via mailop wrote: Google makes forwarding really hard. They want you to set up ARC. https://support.google.com/a/answer/13198639?sjid=6036584522181943107-EU I know this is nasty, but this are Google's rules. Forwarded mails will always have an SPF failure, DKIM

Re: [mailop] Google Mail rejects forwarded email despite `~all` in SPF

2024-04-22 Thread Laurent S. via mailop
On 22.04.24 10:39, Matus UHLAR - fantomas via mailop wrote: > On 22.04.24 10:00, Marco Moock via mailop wrote: >> Google makes forwarding really hard. They want you to set up ARC. >> https://support.google.com/a/answer/13198639?sjid=6036584522181943107-EU >> I know this is nasty, but this are

Re: [mailop] Google Mail rejects forwarded email despite `~all` in SPF

2024-04-22 Thread Atro Tossavainen via mailop
> The SPF of molgen.mpg.de has `~all` (soft fail): > > $ dig txt molgen.mpg.de +short > "v=spf1 ip4:141.14.0.0/16 ~all" But this is irrelevant. The envelope-from of a forwarded message is the original one - if you do not deliberately rewrite it - and in such a case, the SPF that is

Re: [mailop] Google Mail rejects forwarded email despite `~all` in SPF

2024-04-22 Thread Matus UHLAR - fantomas via mailop
On 22.04.24 09:28, Paul Menzel via mailop wrote: A users sends a message to x...@uni-potsdam.de, and the user X there has a forward set up to their y...@gmail.com address. Now smtpin.uni-potsdam.de returns a delivery failure from Google Mail: The following message to was undeliverable.

Re: [mailop] Google Mail rejects forwarded email despite `~all` in SPF

2024-04-22 Thread Marco Moock via mailop
Am 22.04.2024 um 09:28:20 Uhr schrieb Paul Menzel via mailop: > The SPF of molgen.mpg.de has `~all` (soft fail): > > $ dig txt molgen.mpg.de +short > "v=spf1 ip4:141.14.0.0/16 ~all" > > and I would expect `~all` to result in Google Mail not rejecting the > message, when another

[mailop] Google Mail rejects forwarded email despite `~all` in SPF

2024-04-22 Thread Paul Menzel via mailop
Dear mail operators, A users sends a message to x...@uni-potsdam.de, and the user X there has a forward set up to their y...@gmail.com address. Now smtpin.uni-potsdam.de returns a delivery failure from Google Mail: The following message to was undeliverable. The reason for the