On 6/21/2022 8:25 PM, Rob Nagler via mailop wrote:
Dave Crocker continues:
> The existing repertoire of relevant email tech specs are for
> authentication, except for SPF, which includes authorization of SMTP
> client engines, and DMARC, which include rfc5321.From field domain name
>
On Tue, Jun 21, 2022 at 5:34 PM John Levine wrote:
> I think you underestimate the persistence and bad faith of spammers.
I certainly don't.
> That also doesn't scale. There are at least 100,000 mail systems on
> the Internet. How many complaints per second are you prepared to
> investigate
On 6/20/2022 8:59 AM, Rob Nagler via mailop wrote:
IMHO, the problem is a lack of a public trust model. ARC, SPF, and DKIM
do not solve the trust problem. There should be some FOSS that
implements the model (just like certbot implements ACME).
We still need virus/spam detection algorithms.
According to Rob Nagler via mailop :
>We could still have a public trust system that didn't require everybody to
>agree on this concept. What needs to be known is to define publicly how to
>fix your (authenticated) reputation at any given ADMD. If you have a
>content (or otherwise) problem with a
On Mon, Jun 20, 2022 at 11:47 AM Grant Taylor via mailop
wrote:
> On 6/15/22 6:19 PM, Ángel via mailop wrote:
> > There is a fallback of connecting to the A record on port 25 if there
> > is no MX.
>
> When was the last time that anyone has seen the fall back to A record work?
>
> Just did a
On Tue, Jun 21, 2022 at 7:02 AM Bill Cole wrote:
> Rewriting header and envelope addresses is as old as Sendmail.
>
>
> I'm mystified by your distinction between rewriting the envelope sender
> and "managing bounce addresses."
Since this has been a discussion of history, one used to be able to
On 6/21/2022 9:20 AM, Alessandro Vesely via mailop wrote:
Mail forwarded by gmail, for example, has an X-Google-DKIM-Signature but
is not otherwise DKIM-signed. It is ARC-sealed. (Brandon Long
explained why a couple of years ago[*]).
Hmmm. Sorry I missed his message when it originally
On Tue 21/Jun/2022 15:40:51 +0200 John Levine via mailop wrote:
According to Alessandro Vesely via mailop :
"Some responsibility" is quite a long way from "ownership". It was phrased to
refer to any sort of handling or even analysis involvement.
Yet, ARC sounds like a way to permit an
They have two open incidents in their alert centre relating to access to
Exchange Online and Microsoft 365.
As an EU based user, I can't say I've experienced anything, nor have any
clients reported problems to me but most of them are only waking up now so...
Ken.
> -Original Message-
On Tue 21/Jun/2022 12:06:16 +0200 Slavko via mailop wrote:
Dňa 21. 6. o 9:07 Alessandro Vesely via mailop napísal(a):
Section 3.9 is perhaps the worst one in that document. By that wording, the
addition of /any/ header field is forbidden, including List-*.
IMO it describes headers change,
Hi,
Since 4 hours we are experiencing slowness (e.g. connections timing
out, very slow responses), to Microsoft both sending to their SMTP and
reading via IMAP, from europe (checked from 4 different datacenters in
europe).
Do you see the same?
--
Stefano Bagnara
Apache James/jDKIM/jSPF
According to Alessandro Vesely via mailop :
>> "Some responsibility" is quite a long way from "ownership". It was phrased
>> to
>> refer to any sort of handling or even analysis involvement.
>
>Yet, ARC sounds like a way to permit an organization to claim /somewhat less/
>responsibility for a
On 6/21/2022 12:07 AM, Alessandro Vesely via mailop wrote:
RFC 5321, sect. 3.9 Mailing Lists and Aliases
...
When a message is delivered or forwarded to each address of an
expanded list form, the return address in the envelope ("MAIL
FROM:")
MUST be changed to be the
On 2022-06-20 at 23:25:49 UTC-0400 (Mon, 20 Jun 2022 21:25:49 -0600)
Rob Nagler via mailop
is rumored to have said:
On Mon, Jun 20, 2022 at 12:17 PM Bill Cole wrote:
Which part?
"That form of mailing list was already dying out 20 years ago"
I don't think people were rewriting From: or
Dňa 21. 6. o 9:07 Alessandro Vesely via mailop napísal(a):
Section 3.9 is perhaps the worst one in that document. By that wording,
the addition of /any/ header field is forbidden, including List-*.
IMO it describes headers change, not headers addition.
But worst one from that RFC? Why?
Cher M CARON
> Sorry but I represent OVH email team (not abuse), I have no power and
> visibility on stuff out our email offer perimeter.
This is understood.
> As I say in private, the abuse form https://www.ovh.com/abuse/#!/ permit to
> report spam problems. It ensure to abuse team enough
On Sun 19/Jun/2022 14:15:51 +0200 Dave Crocker via mailop wrote:
On 6/17/2022 9:35 PM, Brandon Long via mailop wrote:
DKIM implies ownership that one doesn't want to use for relaying.
FWIW, that interpretation of DKIM semantics goes beyond the DKIM specification,
which, instead says:
On Mon 20/Jun/2022 20:18:04 +0200 Jaroslaw Rafa wrote:
Dnia 20.06.2022 o godz. 20:05:37 Jaroslaw Rafa via mailop pisze:
Mailing lists can operate minimal changes, like this list does, for example.
I received your message with "From: Jaroslaw Rafa " after
my filter verified that your DKIM
Hello Hans-Martin,
Sorry but I represent OVH email team (not abuse), I have no power and
visibility on stuff out our email offer perimeter.
As I say in private, the abuse form https://www.ovh.com/abuse/#!/ permit to
report spam problems. It ensure to abuse team enough information to check and
On Mon 20/Jun/2022 19:48:50 +0200 Slavko via mailop wrote:
Dňa 20. júna 2022 16:53:41 UTC používateľ Alessandro Vesely via mailop
napísal:
Plus, use of SPF with DMARC - even with rewriting - causes the same problem
as with mailing lists.
Yes, you have to rewrite From: as well, if you alter
On 2022/06/20 15:39, Jarland Donnell via mailop wrote:
> I've seen it work but frankly, I don't bother with it anymore. No MX for
> sender or recipient, I don't send it. This rspamd module right here:
> https://rspamd.com/doc/modules/mx_check.html
That is not what mx_check does at all. It looks
Am 20.06.22 um 20:25 schrieb Hans-Martin Mosner via mailop:
Am 20.06.22 um 07:35 schrieb Hans-Martin Mosner via mailop:
I've reported a list of a few dozen IPs at OVH that are clearly used by one snowshoe spammer to Pierre-Edouard and to
abuse@OVH, but to no effect.
Today I see an effect,
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