Again sorry to be a pain

I am an ISP and see stuff like this all day long

people are not going to read email headers etc etc etc

email is very simplistic

the from address (not the reply address) needs to reflect the sender and nothing else.

mscv, sendgrid etc are perfect email list companies that show as spam because they play with the from address in the headers, not to mention microsoft exchange adding a great big long string in the from address to aid in message bounce backs, also the dkim signature is also based on the from domain etc which is why those are bouncing?

take google for example

they want an spf record or dkim record now a days or it is spam and will probably reject (see example below)

I went through this with a customer in december

again know this is techy but just trying to help.

we are a few days in and hitting all the basic email issues.

can groups.io (the new wiki system) be configured to interface to a external email server (inbound and out?) - might be easier ?

_________________________________________________________________________

mail18 12-23 17:40:43 {postfix.out} [30103] (1860520863) Dec 23 17:40:43 mail18 postfix/smtp[30103]: 44FEC315F6F: to=<mdcrot...@gmail.com>, relay=alt1

.gmail-smtp-in.l.google.com[142.250.128.27]:25, delay=2172, delays=2171/0.03/0.96/0.21, dsn=4.0.0,

status=deferred (host alt1.gmail-smtp-in.l.google.com[142.250.128.27] said: 450-5.7.26 This mail has been

blocked because the sender is unauthenticated. 450-5.7.26 Gmail requires all senders to authenticate with

either SPF or DKIM. 450-5.7.26 450-5.7.26 Authentication results: 450-5.7.26 DKIM = did not pass

450-5.7.26 SPF [diamond-cladpower.com] with ip: [65.39.148.18] = did not pass 450-5.7.26 450-5.7.26 For

instructions on setting up authentication, go to 450 5.7.26

https://support.google.com/mail/answer/81126#authentication

dp35-20020a0566381ca300b0046ce28c905esi2970974jab.17 - gsmtp (in reply to end of DATA command))

_________________________________________________________________________


groups.io does have an spf record but also seems to be attached to zendesk ??

# dig txt groups.io

; <<>> DiG 9.16.12 <<>> txt groups.io
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29021
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;groups.io.                     IN      TXT

;; ANSWER SECTION:
groups.io. 397 IN TXT "google-site-verification=cIdgZ-hBu3RiSGae0xG2qUDmQY5hS3dsg6qUGxAZjaE" groups.io. 397 IN TXT "v=spf1 ip4:66.175.222.12 ip4:66.175.222.108 ip4:45.79.227.220 ip4:45.79.224.9 ip4:45.79.224.7 ip4:192.53.124.123 ip4:173.255.243.56 ip4:192.53.124.254 include:mail.zendesk.com include:smtp.zendesk.com ~all"

;; Query time: 18 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Fri Jan 05 02:08:59 EST 2024
;; MSG SIZE  rcvd: 337





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 10:04 AM, Jaco Kroon wrote:
Hi,

Just looking into this in more detail:

Return-path:<bounce+123194+7+8112995+12921...@groups.io>

So yea, that's VERP based.

From: "Joshua Colp via groups.io"<jcolp=sangoma....@groups.io>

And that's a very basic form of SRS ...

And these headers are present too:

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>


So yea ... for filtering properly you need to handle groups.io specially.  It's 
a pain but perfectly do-able.

Kind regards,
Jaco

On 2024/01/04 14:34, Joshua C. Colp wrote:
On Thu, Jan 4, 2024 at 8:28 AM Paul Kudla <p...@scom.ca> wrote:


    ok

    i will post examples if/when this happens then for better
    clarificastion
    unless groups.io <http://groups.io> is uniqe to asterisk ?

    being an isp mailing lists / open systems are the first to get
    hacked !


The groups.io <http://groups.io> platform is not unique to Asterisk, there are numerous groups hosted on it. Directly adding members to groups requires a paying plan, otherwise adding an email address requires someone signing up themselves.

--
Joshua C. Colp
Director of Engineering | Asterisk Project Lead
Sangoma Technologies
Check us out at www.sangoma.com <http://www.sangoma.com> and www.asterisk.org <http://www.asterisk.org>


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