[mailop] Congratulations to the authors of ARC - RFC 8617

2019-07-12 Thread Sidsel Jensen via mailop
Hi, I just want to congratulate the authors of RFC 8617 (https://www.rfc-editor.org/info/rfc8617) - for making this far with a new standard in such a short time. You can read more about the Authenticated Received Chain here: http://arc-spec.org/ It’s such a good step tow

Re: [mailop] oauth2 for mail clients

2024-07-16 Thread Sidsel Jensen via mailop
Hi Andreas We have some documentation here: https://documentation.open-xchange.com/8/middleware/mail/dovecot/oauth_2.0_with_postfix_and_dovecot.html but a good HowTo sounds like a really good idea, to further the adoption. If you need help let me know :) To answer Scott in terms of the wider di

Re: [mailop] Comcast - MTA-STS Outbound

2019-10-02 Thread Sidsel Jensen via mailop
Hi Alex > On 2 Oct 2019, at 14.36, Brotman, Alexander via mailop > wrote: > > As of this morning, we've completed the deployment of MTA-STS on our outbound > systems. Congrats on the deployment! > If you believe this is impacting delivery to your systems, please let me > know. We'll incor

Re: [mailop] [EXTERNAL] Re: BIMI

2019-12-11 Thread Sidsel Jensen via mailop
> On 11 Dec 2019, at 13.42, Brotman, Alexander via mailop > wrote: > >> I sadly realize that I am the last person in the world using Alpine. >> > > I still use Alpine, though alongside other webmail platforms. Maybe we can > start a movement :) Yeah - alpine rocks - simple terminal-based ma

[mailop] Anyone from Yahoo! on the line?

2020-07-21 Thread Sidsel Jensen via mailop
Hey Anyone from Yahoo! on the line who could help me with a deliverability issue? Pls reply off list :-) Kind Regards, Sidsel Jensen Team manager Mail & Abuse, Systems Engineer @ One.com s...@one.com signature.asc Description: Message signed with O

[mailop] BIMI pilot @ Google

2020-07-22 Thread Sidsel Jensen via mailop
Hi peeps I read today at https://cloud.google.com/blog/products/g-suite/gsuite-security-updates-for-gmail-meet-chat-and-admin - that Google/Gmail is starting a BIMI pilot. I hope Google will

Re: [mailop] Maximum message size

2020-10-24 Thread Sidsel Jensen via mailop
> On 23 Oct 2020, at 20.08, Michael Peddemors via mailop > wrote: > > By default we still distribute with a 10MG maximum size, but frankly almost > all of our customers has bumped it to the maximum we recommend, which is > 20MG. (the odd one even went to 30, but we don't recommend that) > >

Re: [mailop] [External] Anyone from BlueHost on this list?

2020-12-22 Thread Sidsel Jensen via mailop
> On 21 Dec 2020, at 21.16, Kevin A. McGrail via mailop > wrote: > > On 12/21/2020 1:56 PM, Eric Tykwinski via mailop wrote: >> Just a heads up: >> >> v=spf1 include:spf2.bluehost.com include:_spf.qualtrics.com >> include:_spf.google.com include:_spf.salesforce.com >> include:sparkpostmail.co

Re: [mailop] How to detect fraud login in POP IMAP or SMTP?

2021-09-22 Thread Sidsel Jensen via mailop
> On 22 Sep 2021, at 21.44, Jarland Donnell via mailop > wrote: > > This is true. While brute force attacks persist, we rarely see a connection > between that and compromised accounts these days. Most often the attacker > knew the password immediately. Now what would be cool, and has always

Re: [mailop] Got any users in Texas? Better turn off your spam filters by Dec 2

2021-09-24 Thread Sidsel Jensen via mailop
Hi Jaroslaw I think you misunderstood what Michael wrote. I think he was refering to the changes in WHOIS, which makes it harder to find correlating abusers, since the data is now hidden due to the implementation of GDPR. Privacy is sometimes a two-edged sword. /Sidsel > On 24 Sep 2021, at 11

[mailop] DKIM signing with ed25519 keys - leap of faith

2021-10-12 Thread Sidsel Jensen via mailop
Dear Mail Community We at one.com recently took another leap of faith and started dual DKIM signing our outbound mails, so they both get DKIM signed with rsa keys along with ed25519 keys. We’ve read https://www.mailhardener.com/kb/how-to-use-dkim-with-ed25519 with interest, so we do not rely e

Re: [mailop] Failing ed25519-sha256 verfication (was: Re: DKIM signing with ed25519 keys - leap of faith)

2021-11-29 Thread Sidsel Jensen via mailop
Hi We’ve started getting support tickets from customers that their DMARC reports from Google are showing DKIM failed for our ed25519 keys. The rsa keys still show as valid/pass, so overall it passes. What’s the best way of escalating such an issue to the developers at Google? I’d prefer it, if b

Re: [mailop] Outbound DANE Enforced on Exchange/Microsoft 365

2022-04-20 Thread Sidsel Jensen via mailop
Hi Matt Yeah - they’ve been doing it for quite a while - the Dutch SIDNLabs actually have some pretty nice graphs showing the number of queries for TLSA records https://stats.sidnlabs.nl/en/mail.html#tlsa#tlsa I believe they are also working on a blog-entry about the progress - maybe someone fr

Re: [mailop] [EXTERNAL] Re: Troubleshooting MTA-STS reports

2022-04-29 Thread Sidsel Jensen via mailop
Hi Alex I saw on the DANE list that Ralph Seichter has created a tool which is available for everybody to use for better DNS maintenance. I’m really glad that we are now seeing improvements in tooling that everybody can use :-) It should hopefully mean that even the people that DON’T have a DNS

[mailop] Looking for contact at iphmx.com

2022-06-28 Thread Sidsel Jensen via mailop
Hi I'm trying to locate a contact to mx1.hc1932.iphmx.com - does anybody know who to reach out to? They don't respond through ab...@enom.com mailto:ab...@enom.com (which was the only address whois showed as everything else was heavily redacted) I'm trying to solve a deliverability problem to

Re: [mailop] Looking for contact at iphmx.com

2022-06-28 Thread Sidsel Jensen via mailop
ays iphmx is controlled by Cisco. But the rejection message > is telling you to contact the recipient - not the filter owner. > > laura > > > > > On 28 Jun 2022, at 11:09, Sidsel Jensen via mailop > mailto:mailop@mailop.org> wrote: > > Hi > >

[mailop] https://anonmails.de - ends up at bad gateway 502 error

2022-07-04 Thread Sidsel Jensen via mailop
Hi Mail Ops I was trying to look something up on https://anonmails.de, but it looks like their site just consistently gives me a "Bad Gateway 502" error - anybody in here, who might be able to poke the people running it about this error? or know's what might be wrong? Kind Regards, Sidsel Je

[mailop] Disabling TLS 1.0 and 1.1 for MTA to MTA communication

2022-08-03 Thread Sidsel Jensen via mailop
Hi MailOps We were having a discussion on the possibility to disable TLS 1.0 and 1.1 for MTA to MTA communication, and based on the numbers we've seen so far, it doesn't look that far fetched. What's the common consensus in the mail community about this currently? It's already been disabled

[mailop] Contact to sasktel.net?

2023-03-17 Thread Sidsel Jensen via mailop
Hi Does anyone in here perhaps have a contact to sasktel.net ? I'm trying to solve a delivery issue. Kind Regards, Sidsel Jensen Architect of Deliverability and Abuse @ Open-Xchange___ mailop mailing list mailop@mailop.org https://list.mailop.org/l

[mailop] New outbound IPs for traffic from talktalk.net and tiscali.co.uk

2024-10-21 Thread Sidsel Jensen via mailop
Hello Mail Peeps Just a short service announcement: We (Open-Xchange) will soon be taking over the sending of messages from the domains talktalk.net and tiscali.co.uk. The IPs will go through a warmup process, but please treat the traffic from the below IPs as legit and reset whatever existi

Re: [mailop] New outbound IPs for traffic from talktalk.net and tiscali.co.uk

2024-10-25 Thread Sidsel Jensen via mailop
op about them... > > On Mon, 21 Oct 2024 at 12:08, Sidsel Jensen via mailop mailto:mailop@mailop.org> wrote: > > > Hello Mail Peeps > > > > Just a short service announcement: > > > > We (Open-Xchange) will soon be taking over the sending of message

[mailop] Contact to Tesco?

2025-02-20 Thread Sidsel Jensen via mailop
Hi Mailop Does anybody here have a contact to a Tesco Mailadmin, we are trying to troubleshoot a deliverability issue with some inbound Tesco mails (order confirmations) to us. Please get in touch with me :-) Kind Regards, Sidsel Jensen Architect of Deliverability and Abuse @ Open-Xchang