Re: [mailop] Paper on email delivery/standards adoption

2022-06-13 Thread Carsten Schiefner via mailop
Thanks, Tobias, fo sharing! All the best, -C. -- Von meiner Hängematte aus gesendet. -Original Message- From: Tobias Fiebig via mailop To: mailop@mailop.org Sent: Mo., 13 Juni 2022 22:35 Subject: [mailop] Paper on email delivery/standards adoption Heho, Quiet some time ago i asked th

[mailop] Paper on email delivery/standards adoption

2022-06-13 Thread Tobias Fiebig via mailop
Heho, Quiet some time ago i asked the list for some help in an ongoing email measurement study; The paper is now finally out and accepted. An open-access preprint can be found here: https://pure.mpg.de/rest/items/item_3384330_2/component/file_3388008/content I guess the most interesting resul

Re: [mailop] Email System Testing Methodologies?

2022-06-13 Thread Slavko via mailop
Ahoj, Dňa Mon, 13 Jun 2022 14:36:24 +0100 Matthew Richardson via mailop napísal: > Slavko:- > >D?a 13. júna 2022 11:19:08 UTC používate? Matthew Richardson via > >mailop napísal: > > > >>One item to be aware of is that the outgoing servers (which return > >>the messages) do DANE validation, a

Re: [mailop] Curious, any one seeing fake SpamCop reports over the weekend?

2022-06-13 Thread Michael Peddemors via mailop
Yeah, but doesn't really look like a replay attack.. If it is.. it is a broken one.. eg.. Received: from we.love.servers.at.ioflood.net (HELO we.love.servers.at.ioflood.net) (162.213.210.2) by *** with (ECDHE-RSA-AES256-GCM-SHA384 encrypted) SMTP (35ef20ac-eacb-11ec-9fd6-f

Re: [mailop] Curious, any one seeing fake SpamCop reports over the weekend?

2022-06-13 Thread Richard W via mailop
I suspect this is a virus that is pulling subject lines and email addresses from the infected computer and sending the spam to those. I've heard of quite a few receiving 'spamcop' related ones. I've been receiving a number from other various abuse and role addresses with different subjects for

[mailop] Curious, any one seeing fake SpamCop reports over the weekend?

2022-06-13 Thread Michael Peddemors via mailop
Real strange, fake abuse addresses.. ab...@singlehop.com abuset...@veeble.org Spamcop links are to 404.. Just not sure how the content can be malicous, maybe it is just a broken system over the weekend? Reporting one of our addresses as the authenticated address, but shows it coming from a

Re: [mailop] Email System Testing Methodologies?

2022-06-13 Thread Matthew Richardson via mailop
Slavko:- >D?a 13. júna 2022 11:19:08 UTC používate? Matthew Richardson via mailop > napísal: > >>One item to be aware of is that the outgoing servers (which return the >>messages) do DANE validation, and thus will not deliver to any servers with >>failed DANE. > >pleaee, is no DANE considered as f

Re: [mailop] Email System Testing Methodologies?

2022-06-13 Thread Kurt Jaeger via mailop
Hello, > >One item to be aware of is that the outgoing servers (which return the > >messages) do DANE validation, and thus will not deliver to any servers with > >failed DANE. > > pleaee, is no DANE considered as failed DANE? (Only to be sure...) No -- I just tested and I have no DANE on my mail

Re: [mailop] Email System Testing Methodologies?

2022-06-13 Thread Slavko via mailop
Hi, Dňa 13. júna 2022 11:19:08 UTC používateľ Matthew Richardson via mailop napísal: >One item to be aware of is that the outgoing servers (which return the >messages) do DANE validation, and thus will not deliver to any servers with >failed DANE. pleaee, is no DANE considered as failed DANE?

Re: [mailop] Barracuda DKIM checker reports invalid signature

2022-06-13 Thread Benoit Panizzon via mailop
Hi Sebastien > One common issue is Canonicalization. Try setting your to relaxed/relaxed and > it solves many issues. Many of these things "downconvert" the emails into > 7BITMIME and also munge certain whitespace characters, which can b0rk the > signatures. > > So try setting to relaxed/relax

Re: [mailop] OVH contact required - 54.38.34.203 - vps-28239cc9.vps.ovh.net

2022-06-13 Thread Romain via mailop
Did you tried https://www.ovh.com/abuse/#!/ ? Le lun. 13 juin 2022 à 13:31, Dima Gomonyk via mailop a écrit : > A VPS on 54.38.34.203 IP - vps-28239cc9.vps.ovh.net host is doing > something stupid and quite bad - spoofing a bunch of domains, including > some I'm overseeing. > > abuse@, postmaste

Re: [mailop] Email System Testing Methodologies?

2022-06-13 Thread Matthew Richardson via mailop
Jesse Hathaway:- >I am working on some architectural changes to our email systems at the >Wikimedia Foundation[1] and I am a bit befuddled as to the best way to >test changes to the current system. As you all are all aware email is a >distrubted system which encompases a wide variety of protocols.

[mailop] OVH contact required - 54.38.34.203 - vps-28239cc9.vps.ovh.net

2022-06-13 Thread Dima Gomonyk via mailop
A VPS on 54.38.34.203 IP - vps-28239cc9.vps.ovh.net host is doing something stupid and quite bad - spoofing a bunch of domains, including some I'm overseeing. abuse@, postmaster@, hostmaster@ addresses of the OVH are not responding over the last two weeks. Would be grateful for a contact, or p

Re: [mailop] Barracuda DKIM checker reports invalid signature

2022-06-13 Thread Sebastian Nielsen via mailop
One common issue is Canonicalization. Try setting your to relaxed/relaxed and it solves many issues. Many of these things "downconvert" the emails into 7BITMIME and also munge certain whitespace characters, which can b0rk the signatures. So try setting to relaxed/relaxed and see what happens.

[mailop] Barracuda DKIM checker reports 'invalid signature'

2022-06-13 Thread Benoit Panizzon via mailop
Hi Gang Maybe I could ask for some help here... We have a DKIM issue with recipients which use Anti-Spam Products from Barracuda Networks. All tests we could find, confirm that we configured Domainkey correctly for the domain imp.ch and signatures are valid. Google is happy with our signatures.