Re: [mailop] SORBS Closing.

2024-06-05 Thread Niels Dettenbach via mailop
Am Mittwoch, 5. Juni 2024, 05:00:31 CEST schrieb Marco Moock via mailop: > Is there a reason that this is not mentioned on the homepage? It is curious to see / read nothing about a/that closure over the SORBS project primary / "official" website... Is there some official note to expect? cheers,

[mailop] How to ensure ownership from a Microsoft email?

2024-06-05 Thread Cyril - ImprovMX via mailop
Hi everyone! I got a few suspicious emails from a user. I wanted to check the DKIM Signature of that domain to validate the ownership but the emails are coming from Microsoft, which signs the email using "{domain name}[.onmicrosoft.com](http://aotearoaenergy.onmicrosoft.com)" In my case, the sen

Re: [mailop] How to ensure ownership from a Microsoft email?

2024-06-05 Thread Graeme Fowler via mailop
On 5 June 2024 08:57:38 Cyril - ImprovMX via mailop wrote: All of this because Microsoft is unable to properly sign an email with the sender's domain to prove ownership... All of that because the tenant administrator hasn't set up the Exchange Online service to sign outbound with their own do

Re: [mailop] How to ensure ownership from a Microsoft email?

2024-06-05 Thread John Levine via mailop
It appears that Cyril - ImprovMX via mailop said: >Now, I wonder. Can I trust Microsoft that if they send an email on behalf of >aotearoa.energy, they initially >validated the ownership or is there a way to bypass that? tl;dr It's self service with, as far as I can tell, no validation at all.

Re: [mailop] Debugging fwd issue meta.com to zoho.com (Help from user under meta.com needed)

2024-06-05 Thread John Levine via mailop
According to Tobias Fiebig via mailop : >Moin, > >to share some closure on this with the rest of the list; What was >ultimately the issue was an RFC8616 based DKIM-Signature header, i.e., >containing UTF-8 encoded fields (in this case, even though there were >no non-ascii characters in them). ...

Re: [mailop] [EXTERNAL] Re: SORBS Closing.

2024-06-05 Thread Hetzner Blacklist via mailop
Hear, hear! SORBS is (was?) one of the best DNS-based blacklists, because they provided reports with information on the listings. Thank you Michelle, and all the best for your future endeavors. Regards Bastiaan Am 05.06.2024 um 03:22 schrieb Michael Wise via mailop: What He Said. The data

Re: [mailop] Debugging fwd issue meta.com to zoho.com (Help from user under meta.com needed)

2024-06-05 Thread Tobias Fiebig via mailop
Hello John, > If you're not sending SMTPUTF8 mail, the DKIM signature headers > should be ASCII with no encoding needed. But if you are ending > SMTPUTF8 mail, you can put UTF-8 directly in the header and it > doesn't need any futher encoding either. Yeah, even more odd, the actual data did not

Re: [mailop] [EXTERNAL] Re: SORBS Closing.

2024-06-05 Thread Michelle Sullivan via mailop
Michelle Sullivan http://www.mhix.org/ If we don't find a way out of this soon, I'm gonna lose it. Lose it... It means go crazy, nuts, insane, bonzo, no longer in possession of ones faculties, three fries short of a Happy Meal, wacko! > On 5 Jun 2024, at 18:40, Hetzner Blacklist via mailop >

Re: [mailop] Debugging fwd issue meta.com to zoho.com (Help from user under meta.com needed)

2024-06-05 Thread John R Levine via mailop
On Wed, 5 Jun 2024, Tobias Fiebig wrote: If you're not sending SMTPUTF8 mail, the DKIM signature headers should be ASCII with no encoding needed. But if you are ending SMTPUTF8 mail, you can put UTF-8 directly in the header and it doesn't need any futher encoding either. Yeah, even more odd, th

Re: [mailop] Debugging fwd issue meta.com to zoho.com (Help from user under meta.com needed)

2024-06-05 Thread Tobias Fiebig via mailop
Moin, > I wouldn't verify that either.  It's just wrong.  You're not allowed > to MIME encode strings in a DKIM-Signature header.* Yeah, I misread 8616 there, then; My brain somewhat autoclicked to "well, if there can be UTF8 you must be able to mime encode." > * - I'm pretty sure that if you a

Re: [mailop] Debugging fwd issue meta.com to zoho.com (Help from user under meta.com needed)

2024-06-05 Thread Viktor Dukhovni via mailop
On Wed, Jun 05, 2024 at 11:08:31AM +0200, Tobias Fiebig via mailop wrote: > Yeah, I misread 8616 there, then; My brain somewhat autoclicked to > "well, if there can be UTF8 you must be able to mime encode." No, RFC2047 encoding of headers applies only to header parts that are an ABNF *phrase* in

Re: [mailop] Debugging fwd issue meta.com to zoho.com

2024-06-05 Thread Slavko via mailop
Dňa 5. 6. o 11:00 John R Levine via mailop napísal(a): I wouldn't verify that either.  It's just wrong.  You're not allowed to MIME encode strings in a DKIM-Signature header.* I don't argue, i am just curious, as i never think about it yet. Do you want to tell, that if d= and/or s= tags contai

Re: [mailop] Debugging fwd issue meta.com to zoho.com

2024-06-05 Thread John Levine via mailop
It appears that Slavko via mailop said: >Do you want to tell, that if d= and/or s= tags contains >internationalized domain name/label, it must be in A-label (ASCII >encoded) form? Or how it is supposed to be handled please? See RFC 8616. That is precisely what it is about. R's, John _

Re: [mailop] Debugging fwd issue meta.com to zoho.com

2024-06-05 Thread Viktor Dukhovni via mailop
On Wed, Jun 05, 2024 at 11:30:27AM +0200, Slavko via mailop wrote: > Do you want to tell, that if d= and/or s= tags contains internationalized > domain name/label, it must be in A-label (ASCII encoded) form? Or how it is > supposed to be handled please? For maximal simplicity and robustness use t

Re: [mailop] Debugging fwd issue meta.com to zoho.com (Help from user under meta.com needed)

2024-06-05 Thread John Levine via mailop
It appears that Tobias Fiebig via mailop said: >Well, that would then be rspamd and the python email parser; Question >is whether that would qualify as a bug, i.e., 'should not validate'; My >understanding would be more in a 'be liberal in what you accept and >conservative and what you send'-sense

Re: [mailop] Debugging fwd issue meta.com to zoho.com

2024-06-05 Thread Slavko via mailop
Dňa 5. júna 2024 9:49:11 UTC používateľ Viktor Dukhovni via mailop napísal: >For maximal simplicity and robustness use the same encoding of domain >names (U-labels or A-labels) in "d=" and "i=" as you do (or would, if >there was "alignment") in "From:". Thanks to both, i think i got it now. re

Re: [mailop] Debugging fwd issue meta.com to zoho.com (Help from user under meta.com needed)

2024-06-05 Thread Tobias Fiebig via mailop
Moin, > In this case, if DKIM validators correctly rejected the invalid > signatures, this mistake would have been caught and fixed more > quickly. So, back to the initial question: Would it make sense if i'd file a bug against rspamd? With best regards, Tobias -- Dr.-Ing. Tobias Fiebig T +31 61

Re: [mailop] Debugging fwd issue meta.com to zoho.com (Help from user under meta.com needed)

2024-06-05 Thread John Levine via mailop
It appears that Tobias Fiebig via mailop said: >Moin, >> In this case, if DKIM validators correctly rejected the invalid >> signatures, this mistake would have been caught and fixed more >> quickly. >So, back to the initial question: Would it make sense if i'd file a bug >against rspamd? Sure. S

Re: [mailop] How to ensure ownership from a Microsoft email?

2024-06-05 Thread Gellner, Oliver via mailop
On 05.06.2024 at 09:48 Cyril - ImprovMX via mailop wrote: > I got a few suspicious emails from a user. > I wanted to check the DKIM Signature of that domain to validate the ownership > but the emails are coming from Microsoft, which signs the email using > "{domain name}http://aotearoaenergy.onm

Re: [mailop] How to ensure ownership from a Microsoft email?

2024-06-05 Thread Cyril - ImprovMX via mailop
Thank you all for your input. @Graeme, I'd join @John on this; if Microsoft can validate a domain DNS, they should make it mandatory to sign using the domain name and not some unverifiable *.onmicrosoft.com. Nowadays even more when you want to have domain alignment with DMARC. @Olivier, your i

Re: [mailop] Debugging fwd issue meta.com to zoho.com (Help from user under meta.com needed)

2024-06-05 Thread Vsevolod Stakhov via mailop
On 05/06/2024 10:25, Viktor Dukhovni via mailop wrote: On Wed, Jun 05, 2024 at 11:08:31AM +0200, Tobias Fiebig via mailop wrote: Yeah, I misread 8616 there, then; My brain somewhat autoclicked to "well, if there can be UTF8 you must be able to mime encode." No, RFC2047 encoding of headers app

Re: [mailop] How to ensure ownership from a Microsoft email?

2024-06-05 Thread Graeme Fowler via mailop
On 5 Jun 2024, at 13:56, Cyril - ImprovMX via mailop wrote: > @Graeme, I'd join @John on this; if Microsoft can validate a domain DNS, they > should make it mandatory to sign using the domain name and not some > unverifiable *.onmicrosoft.com. > Nowadays even more when you want to have domain al

Re: [mailop] How to ensure ownership from a Microsoft email?

2024-06-05 Thread Alexander Robohm via mailop
Am 05.06.2024 um 18:49 schrieb Graeme Fowler via mailop: PS I’m definitely on the hate side today, having discovered that to actually _use_ MS’s implementation of DKIM, I may well have to shell out a 6 figure GBP sum. If anyone can demonstrate to me that outbound DKIM signing in Exchange Onlin

Re: [mailop] How to ensure ownership from a Microsoft email?

2024-06-05 Thread Atro Tossavainen via mailop
> PS I’m definitely on the hate side today, having discovered that to actually > _use_ MS’s implementation of DKIM, I may well have to shell out a 6 figure > GBP sum. If anyone can demonstrate to me that outbound DKIM signing in > Exchange Online Protection is possible, and working, without any

Re: [mailop] How to ensure ownership from a Microsoft email?

2024-06-05 Thread Grant Taylor via mailop
On 6/5/24 11:49 AM, Graeme Fowler via mailop wrote: As we all know, SMTP ain’t actually simple at all. Sigh. I'll argue that SMTP is still simple. Rather the language (protocol) that is spoken and the grammar (rules) of how to speak SMTP are simple. The language (protocol) is entirely sepa

Re: [mailop] Debugging fwd issue meta.com to zoho.com (Help from user under meta.com needed)

2024-06-05 Thread Viktor Dukhovni via mailop
On Wed, Jun 05, 2024 at 05:29:16PM +0100, Vsevolod Stakhov via mailop wrote: > In fact, the original distinction between structured and unstructured > headers defined in the RFC2047 just makes parsing extremely complicated and > I personally consider it as an example of a standard being accepted w

Re: [mailop] Apple/iCloud message blocking

2024-06-05 Thread Scott Mutter via mailop
Day 3 - still no response from icloudad...@apple.com. Guessing there's nobody from Apple or iCloud is on this list. And nobody at Apple/iCloud really cares. favicon.ico Description: Binary data ___ mailop mailing list mailop@mailop.org https://list.ma

Re: [mailop] Apple/iCloud message blocking

2024-06-05 Thread Suresh Ramasubramanian via mailop
What address did you send it from? We don’t seem to see any email from your address so can you please resend it. --srs From: mailop on behalf of Scott Mutter via mailop Sent: Thursday, June 6, 2024 8:41:14 AM To: mailop@mailop.org Subject: Re: [mailop] Apple/

Re: [mailop] How to ensure ownership from a Microsoft email?

2024-06-05 Thread Dave Crocker via mailop
On 6/5/2024 1:48 PM, Grant Taylor via mailop wrote: I'll argue that SMTP is still simple. Rather the language (protocol) that is spoken and the grammar (rules) of how to speak SMTP are simple. The language  (protocol) is entirely separate from what is said using said language (protocol).

Re: [mailop] Apple/iCloud message blocking

2024-06-05 Thread Scott Mutter via mailop
On Wed, Jun 5, 2024 at 10:43 PM Suresh Ramasubramanian wrote: > What address did you send it from? We don’t seem to see any email from > your address so can you please resend it. > > > --srs > postmas...@olympic.wznoc.com The apple.com mail server doesn't return any traceable message id upon me

Re: [mailop] Apple/iCloud message blocking

2024-06-05 Thread Suresh Ramasubramanian via mailop
I will have the team check --srs From: mailop on behalf of Scott Mutter via mailop Sent: Thursday, June 6, 2024 11:02:03 AM To: mailop@mailop.org Subject: Re: [mailop] Apple/iCloud message blocking On Wed, Jun 5, 2024 at 10:43 PM Suresh Ramasubramanian mailt

Re: [mailop] Apple/iCloud message blocking

2024-06-05 Thread Jeff P via mailop
My message sent to icloud was lost siliently. Neither returned message nor message in icloud inbox/spam. I can provide the sender and other recipient details, and/or mail.log. Can I write to this email icloudad...@apple.com as well? Thanks. > > Day 3 - still no response from icloudad...@apple.