dane-users

Bug#1127461: ITP: python-smtp-dane-verify -- monitor and detect typical DANE related problems for DANE-enabled inbound SMTP services

Mon, 09 Feb 2026 06:09:26 GMT

2026/02/09 -- Joseph Nahmias

ANN: SMTP DANE Verify - self-monitor your DANE policy

Wed, 24 Dec 2025 15:54:37 GMT

2025/12/24 -- Patrick Ben Koetter via dane-users

Further upcoming changes at Let's Encrypt

Tue, 02 Dec 2025 08:08:01 GMT

2025/12/02 -- Viktor Dukhovni

Reminder to drop TLSA RRs matching retired Let's Encrypt issuer CAs

Fri, 21 Nov 2025 03:42:52 GMT

2025/11/21 -- Viktor Dukhovni

Please ensure your servers can handle "post-quantum" STARTTLS

Sun, 26 Oct 2025 03:40:34 GMT

2025/10/26 -- Viktor Dukhovni

New Let's Encrypt intermediate issuer CAs activated

Sat, 23 Aug 2025 17:56:33 GMT

2025/08/23 -- Viktor Dukhovni

Re: Pruning outdated TLSA DANE-EE(3) records

Mon, 23 Jun 2025 11:53:12 GMT

2025/06/23 -- Viktor Dukhovni

Re: Pruning outdated TLSA DANE-EE(3) records

Mon, 23 Jun 2025 05:06:01 GMT

2025/06/23 -- Viktor Dukhovni

Re: Pruning outdated TLSA DANE-EE(3) records

Mon, 23 Jun 2025 04:47:18 GMT

2025/06/23 -- Patrick Domack via dane-users

Pruning outdated TLSA DANE-EE(3) records

Mon, 23 Jun 2025 04:19:15 GMT

2025/06/23 -- Viktor Dukhovni

TLSA record hygiene for Let's Encrypt issuer CAs

Sun, 15 Jun 2025 11:01:47 GMT

2025/06/15 -- Viktor Dukhovni

DANE vs. TLS shedding of legacy/obsolete features

Wed, 23 Oct 2024 05:47:53 GMT

2024/10/23 -- Viktor Dukhovni

Re: Best to not outright refuse non-TLS incoming mail...

Fri, 11 Oct 2024 22:58:29 GMT

2024/10/11 -- veronicabarns120899

Re: DANE monitoring building block: "danesmtp" shell function

Wed, 04 Sep 2024 23:54:34 GMT

2024/09/04 -- Viktor Dukhovni

Re: Let's Encrypt retired and new issuer CAs

Tue, 03 Sep 2024 17:47:27 GMT

2024/09/03 -- Viktor Dukhovni

Re: Let's Encrypt retired and new issuer CAs

Tue, 27 Aug 2024 05:47:49 GMT

2024/08/27 -- Viktor Dukhovni

Re: Let's Encrypt retired and new issuer CAs

Tue, 27 Aug 2024 05:19:06 GMT

2024/08/27 -- Viktor Dukhovni

Re: Let's Encrypt retired and new issuer CAs

Tue, 27 Aug 2024 04:58:02 GMT

2024/08/27 -- Mike via dane-users

Re: Let's Encrypt retired and new issuer CAs

Tue, 27 Aug 2024 02:47:25 GMT

2024/08/27 -- Viktor Dukhovni

Re: Let's Encrypt retired and new issuer CAs

Mon, 26 Aug 2024 06:24:28 GMT

2024/08/26 -- Viktor Dukhovni

Re: Let's Encrypt retired and new issuer CAs

Mon, 26 Aug 2024 05:42:25 GMT

2024/08/26 -- Viktor Dukhovni

Re: Let's Encrypt retired and new issuer CAs

Mon, 26 Aug 2024 01:21:16 GMT

2024/08/26 -- Viktor Dukhovni

Let's Encrypt retired and new issuer CAs

Sun, 25 Aug 2024 14:16:27 GMT

2024/08/25 -- Viktor Dukhovni

Microsoft inbound DANE live

Sat, 22 Jun 2024 01:32:45 GMT

2024/06/22 -- Viktor Dukhovni

Re: samba.org

Sun, 16 Jun 2024 06:15:53 GMT

2024/06/16 -- Viktor Dukhovni

Re: samba.org

Sat, 15 Jun 2024 19:28:58 GMT

2024/06/15 -- Erwin Hoffmann

Re: samba.org

Thu, 13 Jun 2024 22:00:45 GMT

2024/06/13 -- Björn Jacke via dane-users

Re: samba.org

Thu, 13 Jun 2024 21:45:56 GMT

2024/06/13 -- Jelle via dane-users

samba.org

Thu, 13 Jun 2024 21:16:46 GMT

2024/06/13 -- Erwin Hoffmann

Re: More changes (2024-06-06) at Let's Encrypt affecing DANE-TA(2) TLSA records

Mon, 10 Jun 2024 21:31:06 GMT

2024/06/10 -- Kirill Miazine

Re: More changes (2024-06-06) at Let's Encrypt affecing DANE-TA(2) TLSA records

Mon, 10 Jun 2024 12:00:47 GMT

2024/06/10 -- Viktor Dukhovni

Re: More changes (2024-06-06) at Let's Encrypt affecing DANE-TA(2) TLSA records

Mon, 10 Jun 2024 10:47:06 GMT

2024/06/10 -- Kirill Miazine

More changes (2024-06-06) at Let's Encrypt affecing DANE-TA(2) TLSA records

Fri, 07 Jun 2024 08:54:30 GMT

2024/06/07 -- Viktor Dukhovni

Re: Microsoft DANE inbound and license requirement

Mon, 03 Jun 2024 13:43:05 GMT

2024/06/03 -- Viktor Dukhovni

Microsoft DANE inbound and license requirement

Mon, 03 Jun 2024 13:26:08 GMT

2024/06/03 -- Sidsel Jensen via dane-users

Now Shop Unique Tailoring Online

Wed, 29 May 2024 06:50:24 GMT

2024/05/29 -- swiftmarla14

MTA-STS operational practice survey

Tue, 16 Apr 2024 16:02:04 GMT

2024/04/16 -- Chung, Tijay

Re: Best to not outright refuse non-TLS incoming mail...

Wed, 20 Mar 2024 16:55:37 GMT

2024/03/20 -- mgopev

Update on stats 2024-02

Fri, 01 Mar 2024 01:23:51 GMT

2024/03/01 -- Viktor Dukhovni

RE: DANE monitoring building block: "danesmtp" shell function

Mon, 19 Feb 2024 00:23:31 GMT

2024/02/19 -- Andreas Klein via dane-users

DANE: ATTENTION: Let's Encrypt drops DST X3 from default chain, breaking "depth 2" ISRG "2 1 1" TLSA records...

Tue, 13 Feb 2024 04:02:00 GMT

2024/02/13 -- Viktor Dukhovni

Update on stats 2024-01 (>4 million DANE SMTP domains!)

Thu, 01 Feb 2024 18:54:21 GMT

2024/02/01 -- Viktor Dukhovni

Update on stats 2023-12

Sun, 31 Dec 2023 22:53:23 GMT

2023/12/31 -- Viktor Dukhovni

TAKE NOTE 3: Upcoming new Let's Encrypt intemediate issuer CAs.

Fri, 08 Dec 2023 18:59:59 GMT

2023/12/08 -- Viktor Dukhovni

Update on stats 2023-11

Fri, 01 Dec 2023 09:53:18 GMT

2023/12/01 -- Viktor Dukhovni

TAKE NOTE 2: Future Let's Encrypt CA choice randomisation.

Wed, 15 Nov 2023 23:12:20 GMT

2023/11/15 -- Viktor Dukhovni

TAKE NOTE: "2 1 1" TLSA records vs. apparent change of Let's Encrypt default certificate chain

Wed, 15 Nov 2023 05:13:33 GMT

2023/11/15 -- Viktor Dukhovni

Update on stats 2023-10

Wed, 01 Nov 2023 04:27:25 GMT

2023/11/01 -- Viktor Dukhovni

Re: Best to not outright refuse non-TLS incoming mail...

Wed, 25 Oct 2023 06:53:53 GMT

2023/10/25 -- Sidsel Jensen via dane-users

Best to not outright refuse non-TLS incoming mail...

Tue, 24 Oct 2023 17:33:24 GMT

2023/10/24 -- Viktor Dukhovni

Update on stats 2023-09

Sat, 30 Sep 2023 22:57:37 GMT

2023/09/30 -- Viktor Dukhovni

Re: Opinion on TLSA/DANE recored

Thu, 28 Sep 2023 09:46:52 GMT

2023/09/28 -- Peter van Dijk

Microsoft announced DANE support coming in 2024

Wed, 27 Sep 2023 21:51:06 GMT

2023/09/27 -- Mike Hillyer

Re: Opinion on TLSA/DANE recored

Wed, 27 Sep 2023 15:25:58 GMT

2023/09/27 -- Viktor Dukhovni

Re: Opinion on TLSA/DANE recored

Wed, 27 Sep 2023 08:30:56 GMT

2023/09/27 -- Erwin Hoffmann

Re: Opinion on TLSA/DANE recored

Tue, 26 Sep 2023 14:06:00 GMT

2023/09/26 -- Viktor Dukhovni

Re: Opinion on TLSA/DANE recored

Tue, 26 Sep 2023 07:43:54 GMT

2023/09/26 -- Bjørn Mork

AW: Opinion on TLSA/DANE recored

Tue, 26 Sep 2023 07:21:50 GMT

2023/09/26 -- Lutz Donnerhacke

Re: Opinion on TLSA/DANE recored

Mon, 25 Sep 2023 22:11:35 GMT

2023/09/25 -- Bjørn Bürger via dane-users

Re: Opinion on TLSA/DANE recored

Mon, 25 Sep 2023 21:44:34 GMT

2023/09/25 -- Viktor Dukhovni

Re: Opinion on TLSA/DANE recored

Mon, 25 Sep 2023 21:03:21 GMT

2023/09/25 -- Erwin Hoffmann

Re: Opinion on TLSA/DANE recored

Mon, 25 Sep 2023 19:52:43 GMT

2023/09/25 -- Viktor Dukhovni

AW: Opinion on TLSA/DANE recored

Mon, 25 Sep 2023 19:20:30 GMT

2023/09/25 -- Lutz Donnerhacke

Opinion on TLSA/DANE recored

Mon, 25 Sep 2023 18:47:12 GMT

2023/09/25 -- Erwin Hoffmann

Update on stats 2023-08

Fri, 01 Sep 2023 06:35:26 GMT

2023/09/01 -- Viktor Dukhovni

RE: DANE monitoring building block: "danesmtp" shell function

Wed, 30 Aug 2023 15:44:24 GMT

2023/08/30 -- Mike Hillyer

RE: DANE monitoring building block: "danesmtp" shell function

Wed, 30 Aug 2023 15:19:55 GMT

2023/08/30 -- Knubben, Bart via dane-users

RE: DANE monitoring building block: "danesmtp" shell function

Wed, 30 Aug 2023 15:09:50 GMT

2023/08/30 -- Mike Hillyer

Re: DANE monitoring building block: "danesmtp" shell function

Wed, 30 Aug 2023 15:06:58 GMT

2023/08/30 -- Viktor Dukhovni

RE: DANE monitoring building block: "danesmtp" shell function

Wed, 30 Aug 2023 14:29:15 GMT

2023/08/30 -- Mike Hillyer

DANE monitoring building block: "danesmtp" shell function

Fri, 25 Aug 2023 21:12:43 GMT

2023/08/25 -- Viktor Dukhovni

Update on stats 2023-07

Tue, 01 Aug 2023 05:44:59 GMT

2023/08/01 -- Viktor Dukhovni

LetsDNS release 1.2.0 is now available

Sat, 22 Jul 2023 00:25:47 GMT

2023/07/22 -- Ralph Seichter via dane-users

Please avoid TLSA records matching retired issuing CAs.

Mon, 17 Jul 2023 01:45:38 GMT

2023/07/17 -- Viktor Dukhovni

Re: dane.sys4.de: certificate not trusted: (27)

Wed, 12 Jul 2023 15:58:15 GMT

2023/07/12 -- Paul Menzel

Re: dane.sys4.de: certificate not trusted: (27)

Tue, 11 Jul 2023 17:45:43 GMT

2023/07/11 -- Viktor Dukhovni

Re: dane.sys4.de: certificate not trusted: (27)

Tue, 11 Jul 2023 17:01:39 GMT

2023/07/11 -- Paul Menzel

Re: dane.sys4.de: certificate not trusted: (27)

Tue, 11 Jul 2023 17:01:13 GMT

2023/07/11 -- Paul Menzel

Re: dane.sys4.de: certificate not trusted: (27)

Tue, 11 Jul 2023 16:49:14 GMT

2023/07/11 -- Benny Pedersen

Re: dane.sys4.de: certificate not trusted: (27)

Tue, 11 Jul 2023 13:23:15 GMT

2023/07/11 -- Viktor Dukhovni

Re: dane.sys4.de: certificate not trusted: (27)

Tue, 11 Jul 2023 13:16:16 GMT

2023/07/11 -- Viktor Dukhovni

dane.sys4.de: certificate not trusted: (27)

Tue, 11 Jul 2023 11:36:22 GMT

2023/07/11 -- Paul Menzel

Update on stats 2023-06

Sat, 01 Jul 2023 00:26:01 GMT

2023/07/01 -- Viktor Dukhovni

Update on stats 2023-05

Thu, 01 Jun 2023 01:52:36 GMT

2023/06/01 -- Viktor Dukhovni

Re: ADD: Re: ANN: New mailing list address dane-users@list.sys4.de / termination of old list address dane-us...@sys4.de

Thu, 01 Jun 2023 00:27:39 GMT

2023/06/01 -- Byung-Hee HWANG

ADD: Re: ANN: New mailing list address dane-users@list.sys4.de / termination of old list address dane-us...@sys4.de

Wed, 31 May 2023 12:53:41 GMT

2023/05/31 -- Patrick Ben Koetter via dane-users

Re: ANN: New mailing list address dane-users@list.sys4.de / termination of old list address dane-us...@sys4.de

Wed, 31 May 2023 12:06:22 GMT

2023/05/31 -- Byung-Hee HWANG