I think we are getting off track here,

email can come from anywhere

like mine when i send an email it comes from "Paul Kudla <p...@scom.ca>" which is perfectly normal, if i sent an email from :

"Paul Kudla <p...@group.io>"

that would be wrong because the email address does not exist and would eventually bounce on most system or more importantly get blocked in someone's spam filter because it is unknown to the end user.

Again trying to help


the issue creeps in when a mail system tries to send with a different send email address then what is in the headers.

My or any other system does not block ordinary email, and the tmda (in my case) will trap it for approval. I can catch and kinda approve these but its one at a time when headers get messed with.

The issues being found here is email from for example

Asterisk Developers Mailing List <asterisk-dev@lists.digium.com>

is now show as

Asterisk Developers Mailing List <asterisk-...@group.io>

which in its self kinda correct but but group.io should really be a proper domain related to asterisk like the

"<asterisk-dev@lists.digium.com"

was

fyi


Hope this clarifies, asterisk mailing list really needs to come from an asterisk domain (or sub domain) NOT groups.io

can you get n asterisk.groups.io
(like the digium one? - lists.digium.com)

this would resolve to identy issues.




Have A Happy Friday !!!

Thanks - Paul Kudla (Manager SCOM.CA Internet Services Inc.)


Scom.ca Internet Services <http://www.scom.ca>
004-1009 Byron Street South
Whitby, Ontario - Canada
L1N 4S3

Toronto 416.642.7266
Main 1.866.411.7266
Fax 1.888.892.7266
Email p...@scom.ca

On 1/5/2024 4:49 AM, Henning Westerholt wrote:
Hello,

using a different reply-to address as the from address is a valid use case and 
used from other people. For example e.g. for support or sales communication.

I am participating since many years on mailing lists and never had the need to 
do filtering on a domain mail server level.

Practically speaking its necessary to accept all e-mail from *.gmail.com 
similar to office365 etc... How would one run a business otherwise? In my 
opinion its not feasible to do a filtering on domain level.

In my opinion its not appropriate for an ISP to block e-mail from domains, when 
I don't have control over it.

Cheers,

Henning

-----Original Message-----
From: asterisk-dev <asterisk-dev-boun...@lists.digium.com> On Behalf Of
Paul Kudla
Sent: Freitag, 5. Januar 2024 10:15
To: aster...@phreaknet.org; Asterisk Developers Mailing List <asterisk-
d...@lists.digium.com>
Subject: Re: [asterisk-dev] Mailing List Future


here's another example of the headers

Return-Path: <bounce+123194+6+8107350+12915...@groups.io>
Delivered-To: p...@scom.ca
Received: from ns2.scom.ca (localhost [127.0.0.1])
        by mail18.scom.ca (Postfix) with ESMTP id 3360C31E1D5
        for <p...@scom.ca>; Fri,  5 Jan 2024 03:27:03 -0500 (EST)
Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-
ip=66.175.222.108; helo=mail02.groups.io; envelope-
from=bounce+123194+6+8107350+12915...@groups.io;
receiver=p...@scom.ca
Received: from mail02.groups.io (mail02.groups.io [66.175.222.108])
        by mail19.scom.ca (Postfix) with ESMTPS id 6D51E30253C
        for <p...@scom.ca>; Thu,  4 Jan 2024 08:29:33 -0500 (EST)
DKIM-Signature: a=rsa-sha256;
bh=y4BuxIEsZ+nEJT8jmUWIi8SuuvrSyAgCuJ/3A0k8qhc=;
   c=relaxed/simple; d=groups.io;

h=Subject:To:From:User-Agent:MIME-Version:Date:References:In-Reply-
To:Message-ID:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-
List:Delivered-To:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-
Type;
   s=20140610; t=1704374973; v=1;

b=gFV0zZSE0niKgRyXFVPIHg4Svc2YUeefZhB8dlQ23dzZcH0RaFRA7sjVaHu5m
DFFcWTv6xGB

VAdK/KUxukNQkfbr4zyJFJi4ECdmojpenOoJ+k/N1t2JNz9Z/rifwzLrv6UzIsOp/k
bLrdMTPpt
   X3g4M81hZgnTAxLDKmAF0ZJQ=
X-Received: by 127.0.0.2 with SMTP id 6UMxYY8108685xBwiaIr8due; Thu,
04 Jan 2024 05:29:33 -0800
Subject: Re: [asterisk-dev] Happy new year 2024 and welcome to the mailing
list
To: asterisk-...@groups.io
From: bou...@groups.io
X-Originating-Location: Pretoria, Gauteng, ZA (165.16.202.234)
X-Originating-Platform: Linux Firefox 115
User-Agent: GROUPS.IO Web Poster
MIME-Version: 1.0
Date: Thu, 04 Jan 2024 05:28:29 -0800
References: <bd6f46c4-021a-4a91-b642-f2ab06ac5...@yandex.com>
In-Reply-To: <bd6f46c4-021a-4a91-b642-f2ab06ac5...@yandex.com>
Message-ID: <11912.1704374909817607...@groups.io>
Precedence: Bulk
List-Subscribe: <mailto:asterisk-dev+subscr...@groups.io>
List-Help: <mailto:asterisk-dev+h...@groups.io>
Sender: asterisk-...@groups.io
List-Id: <asterisk-dev.groups.io>
Mailing-List: list asterisk-...@groups.io; contact
asterisk-dev+ow...@groups.io
Old-Delivered-To: mailing list asterisk-...@groups.io
Reply-To: asterisk-...@groups.io
List-Unsubscribe-Post: List-Unsubscribe=One-Click
List-Unsubscribe:
<https://groups.io/g/asterisk-
dev/leave/12915545/8107350/1648649566/plugh>
X-Gm-Message-State: IW5txfHJ7hxkIhBAzdvhZj1Kx8107350AA=
Content-Type: multipart/alternative; boundary="MyK3xsRbdj9XTGHGzBSm"
X-SCOM-MailScanner-Information: Please contact the ISP for more
information
X-SCOM-MailScanner-ID: 6D51E30253C.A9D49
X-SCOM-MailScanner: Found to be clean
X-SCOM-MailScanner-From:
bounce+123194+6+8107350+12915...@groups.io
X-Spam-Status: No
X-TMDA-Confirm-Done: 1704375007.41110.adcb74
X-TMDA-Released: Fri, 05 Jan 2024 03:27:02 -0500
X-TMDA-CGI: 10.0.0.5 (Mozilla/5.0 (Windows NT 10.0; Win64; x64;
rv:109.0) Gecko/20100101 Firefox/115.0)


--MyK3xsRbdj9XTGHGzBSm
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable

Time to get in on the action ... would appreciate some form of reply to thi=
s to see what happens at mail-system level too.


Have A Happy Friday !!!

Thanks - Paul Kudla (Manager SCOM.CA Internet Services Inc.)


Scom.ca Internet Services <http://www.scom.ca>
004-1009 Byron Street South
Whitby, Ontario - Canada
L1N 4S3

Toronto 416.642.7266
Main 1.866.411.7266
Fax 1.888.892.7266
Email p...@scom.ca

On 1/4/2024 9:06 AM, aster...@phreaknet.org wrote:

Could you point out a specific message where this is the case?
I just looked at a few messages and I don't see bou...@groups.io anywhere.
The MAIL FROM address used in the SMTP transaction is a VERP-style
address, unique for every recipient on a list. This way if there is a
bounce, groups.io knows who bounced and can automatically unsubscribe
them, without reading the bounce message at all.
Even the confirmation email I got uses a VERP-style address.

The From headers are sometimes manipulated as you may have noticed, as
when domains are configured with a DMARC policy, groups.io will rewrite
the From header so it still looks almost the same but is using their
domain.
The old list did not do this, so to Josh's point about mailing list
messages frequently going to spam, that may have been due to DMARC, and
so deliverability might increase with the new list since it's handling
it properly.

There is a List-Id header that contains the address of the mailing list.
Perhaps you can use that in your filtering?
If you're really an ISP though, you should be allowing all groups.io
stuff to go through since there are a huge number of other lists there.

On 1/4/2024 5:52 AM, Paul Kudla (SCOM.CA Internet Services Inc.) wrote:

Good morning

I got verified however the new mailing list is using

Asterisk Development Team via groups.io <bou...@groups.io>

note the bou...@groups.io

should really be an asterisk email address

if i open up groups.io (like msvc etc) then spam will flow

i am an isp and apologise for the comments knowing you are doing you
best, just letting you know some difficulties before they become a
large scale issue


Have A Happy Thursday !!!

Thanks - Paul Kudla (Manager SCOM.CA Internet Services Inc.)


Scom.ca Internet Services <http://www.scom.ca>
004-1009 Byron Street South
Whitby, Ontario - Canada
L1N 4S3

Toronto 416.642.7266
Main 1.866.411.7266
Fax 1.888.892.7266
Email p...@scom.ca

On 2024-01-02 8:55 a.m., asterisk-dev-boun...@lists.digium.com wrote:
On 1/2/2024 5:55 AM, Joshua C. Colp wrote:
On Tue, Jan 2, 2024 at 6:41 AM Paul Kudla <p...@scom.ca
<mailto:p...@scom.ca>> wrote:


     Good morning

     Note I am unable to confirm my new email on the group because the
     email
     is using a blocked server ??

     mail19       01-02 05:35:51 {postfix.in <http://postfix.in>}
      [63603] (1871410360) Jan 02
     05:35:51 mail19 postfix/smtpd[63603]: NOQUEUE: reject: RCPT from

     web01.groups.io <http://web01.groups.io>[66.175.222.12]: 454
4.7.1
     Service unavailable; Client
     host [66.175.222.12] blocked using

     bl.spamcop.net <http://bl.spamcop.net>; Blocked - see
     https://www.spamcop.net/bl.shtml?66.175.222.12;

from=<confirmbounce+8107350+4201506166695547...@groups.io

<mailto:confirmbounce%2B8107350%2B4201506166695547482@groups.i
o>>
     to=<p...@scom.ca <mailto:p...@scom.ca>> proto=ESMTP

     helo=<mail01.groups.io <http://mail01.groups.io>>

     I did get the signup and also set my password but am unable to
     proceed.

     SPAMCOP.NET <http://SPAMCOP.NET> is super flexible (ie will track
     and update bad ip's on the
     fly within 24 hours, so to land on this list means a server has
been
     very very bad.

     let me know if i can help further.


I don't think either of us can really help. Looking at groups.io
<http://groups.io> posts this appears to happen sometimes, be it as
a remaining result of a Yahoo migration that occurred in the past or
from group admins adding email addresses for SpamCop spam traps in
some capacity.

InterLinked: You previously stated that most lists you've been on
migrated to groups.io <http://groups.io>, has this been a problem
for them and if so how did they approach it (if at all)?

I have to be on at least 2 or 3 dozen groups.io lists at this point
and I've not really seen this be much of a problem. It haven't seen
it on any of my lists with 100+ members or really heard about it on
other lists. Occasionally, maybe a couple times a year, there are
*bounces* and I know groups.io will auto unsubscribe users if it gets
bounces to comply with email subscription policies and what not. I
don't have any specific experience with SpamCop, that isn't a service
I use on my mail servers.

I think this is going to be inevitable to some extent with any hosted
mailing list. groups.io has a pool of IPs that they use but obviously
they are shared between lists. Digium has been self-hosting lists so
it hasn't had to worry about this in the past.

groups.io also has an online portal where you can register and manage
groups, but that probably entails receiving an email at some point so
you might run into the same issue there if you can't receive email.

Can you add the sender to your "safe senders" lists? IMO email
services that don't allow the spam rules to be overridden are
fundamentally flawed, but I realize you may not have control over
that or be able to switch services.

It probably doesn't hurt to get in touch with the guy that runs
groups.io, here: https://groups.io/helpcenter. I and others have
reached out before for things and he's helpful and responsive.





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