Re: [mailop] Post-processing Journal-Mails coming from O365, forwardedMail

2020-07-07 Thread Stefan Bauer via mailop
Hi Faisal, we are using the Journal Rules. Thats what i tried to describe with " there is a feature in O365 that forwards mails (in/out/both..) to an archive-mailbox for long-term archiving." Stefan -Ursprüngliche Nachricht- Von: Faisal Misle  Gesendet: Dienstag 7 Juli 2020 15:55

Re: [mailop] Report as spam and mail forwarders: best practices?

2020-07-07 Thread Grant Taylor via mailop
On 7/7/20 5:07 PM, Brandon Long via mailop wrote: At least at Gmail, we usually recommend that you don't use SRS, that you leave the original envelope from intact. https://support.google.com/mail/answer/175365?hl=en I have always questioned the veracity of that recommendation. This helps us

Re: [mailop] Digital Ocean Broken Bot attack, just in case it's you and not me..

2020-07-07 Thread Michael Rathbun via mailop
On Tue, 7 Jul 2020 16:45:24 -0700, Michael Peddemors via mailop wrote: >Very High volume SMTP Auth type attacks, but either a broken bot, or an >attempt at Denial of Service.. > >Range, 192.241.227.0/24 One connect each on Thu, Sat, Sun, and Mon. Did EHLO after banner, then closed the connect

Re: [mailop] Report as spam and mail forwarders: best practices?

2020-07-07 Thread Al Iverson via mailop
For me this was a solved problem back in 2015: https://www.spamresource.com/2015/12/mail-forwarding-in-dmarc-world.html Linux server running postfix, set to use Maildir, and a script that handles the forwarding that rewrites headers to pass DMARC (and pass DKIM and SPF if things are correctly conf

[mailop] Digital Ocean Broken Bot attack, just in case it's you and not me..

2020-07-07 Thread Michael Peddemors via mailop
Very High volume SMTP Auth type attacks, but either a broken bot, or an attempt at Denial of Service.. Range, 192.241.227.0/24 Naming Convention: zg-0626-70.stretchoid.com It's a 'fast talker' attack, sending EHLO before waiting for the CONNECT string.. Just in case anyone else is encounter

Re: [mailop] Report as spam and mail forwarders: best practices?

2020-07-07 Thread Brandon Long via mailop
On Fri, Jun 19, 2020 at 8:03 AM Leo Gaspard via mailop wrote: > Hello all, > > We handle an email forwarder. Recently, we have been having more and > more issues with people reporting forwarded emails as spam, that end up > (probably) deteriorating the reputation of our email servers. > > We have

Re: [mailop] Is DNS-over-HTTPS bad? Sure.

2020-07-07 Thread Brandon Long via mailop
On Tue, Jul 7, 2020 at 5:20 AM Stuart Henderson via mailop < mailop@mailop.org> wrote: > On 2020/07/07 10:27, Noel Butler via mailop wrote: > > On 07/07/2020 01:01, Johann Klasek via mailop wrote: > > > > > > I have been told that DoH is set into place to solve the privacy > > problem. On

Re: [mailop] Is DNS-over-HTTPS bad? Sure. (was: Happy Holidays Everyone!)

2020-07-07 Thread Michael Orlitzky via mailop
On 2020-07-06 06:37:54, Matt Harris via mailop wrote: > > If said fascist regime has decided to muddle their DNS > infrastructure by serving bogus authoritative responses for some set > of domains they don't like, why would anyone think they wouldn't > just set up " use-application-dns.net" to forc

Re: [mailop] Post-processing Journal-Mails coming from O365, forwardedMail

2020-07-07 Thread Faisal Misle via mailop
Have you tried journal rules? https://docs.microsoft.com/en-us/exchange/security-and-compliance/journaling/configure-journaling Best, Faisal Misle MCSA: Office 365 PGP Key: [C8FD029B](https://pgp.faisal.ec/) On Tue, Jul 7, 2020 at 6:20 AM, Stefan Bauer via mailop wrote: > Hi, > > there is a

Re: [mailop] Is DNS-over-HTTPS bad? Sure.

2020-07-07 Thread Stuart Henderson via mailop
On 2020/07/07 10:27, Noel Butler via mailop wrote: > On 07/07/2020 01:01, Johann Klasek via mailop wrote: > > > I have been told that DoH is set into place to solve the privacy > problem. On a small DNS workgroup meeting I saw a presentation on how > they statistically identify users

[mailop] Measurement study on understanding global email configuration quality

2020-07-07 Thread Tobias Fiebig via mailop
Dear all, I am a researcher at TU Delft in the Netherlands, looking into Network Security, Protocol Adoption and human factors. My student Olamide is looking into how well _sending_ email setups are maintained around the globe. For this, we need many people, ideally from 'smaller' providers, i.e

[mailop] Post-processing Journal-Mails coming from O365, forwardedMail

2020-07-07 Thread Stefan Bauer via mailop
Hi, there is a feature in O365 that forwards mails (in/out/both..) to an archive-mailbox for long-term archiving. We grab this mails via pop. However our available mail-readers (Thunderbird, Kopano) show the original mail as attachment. This makes it very hard for handling/searching/reading

Re: [mailop] A1/aon.at contact

2020-07-07 Thread Stefan Bauer via mailop
A1 is busy fixing there network¹. https://www.zdnet.com/article/hackers-breached-a1-telekom-austrias-largest-isp/ SCNR. Stefan -Ursprüngliche Nachricht- Von: Sabine Rogg via mailop  Gesendet: Dienstag 7 Juli 2020 12:25 An: mailop@mailop.org Betreff: [mailop] A1/aon.at contact Hel

[mailop] A1/aon.at contact

2020-07-07 Thread Sabine Rogg via mailop
Hello together, Is there someone from aon.at/A1 on list? If there is, please contact me off-list. We tried to reach out to you, but the @postmaster mailboxes are full. Best Regards, Sabine Rogg ___ mailop mailing list mailop@mailop.org https://

Re: [mailop] Is DNS-over-HTTPS bad? Sure.

2020-07-07 Thread Thomas Walter via mailop
On 07.07.20 06:59, Andrew C Aitchison via mailop wrote: >> Historically, 'choosing' to set your DNS provider at the OS was an end >> user choice, but with D'oh, it opens the door to the application layer >> to bypass firewall rules as well. > > ?? Historically the DNS provider was set by the mac