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The only official news channel for mailcow. Expect updates to blog posts, any important information or just sometimes polls about mailcow! Feel free to pay us a visit in our Telegram group over at @mailcow! See @mailcowUpdates for dev updates on GitHub.
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Publicaciones del Canal
🔒🔑 External Identity Providers for User authentication
Moohoo - Good News, everyone! With the Nightly Branch, it is now possible to use an external Identity Provider as an additional authentication source. mailcow utilizes the OIDC (OpenID Connect) protocol to authenticate only mailbox users. To enable this, we have made some changes to the way authentication works. Let’s talk about what has changed, what we had in mind, and what we plan to add in the future. Of course, we will also show you how to use the new feature.
https://mailcow.email/posts/2023/mailcow-idp/
| 2 | 💪🐮6️⃣4️⃣ mailcow: dockerized (ARM64) is now in open Beta (inside nightly builds)
Moohoo everyone!
No you are not dreaming, yes you are awake and no this is no joke:
mailcow’s ARM64 support can now be tested in nightly as BETA!
https://mailcow.email/posts/2023/arm64-open-beta/ | 799 |
| 3 | 🌻 🐄 Moogust Update 2023 - Spamhaus DQS Hotfixes
2023-08 (Release 3rd August 2023) Moohoo everyone! I hope you are not tired yet of performing updates. The 2023-08 Release is here, and it contains some hotfixes for the new Spamhaus DQS feature. If you are not using Spamhaus DQS and haven’t experienced any issues with the 2023-07 update, you don’t have to install this update. As this release only contains hotfixes, there is not much to say about it, except for one thing.
https://mailcow.email/posts/2023/release-2023-08/ | 721 |
| 4 | Blogpost updated alongside the new 2023-07a Release:
https://mailcow.email/posts/2023/release-2023-07/#2023-07a-release-31th-july-2023 | 721 |
| 5 | 🤔🐮 What's up? - ARM64 Integration
Moohoo everyone! More than a month we have not heard from us and today just like that a shadowdrop as an update. Since we have some things to discuss and also want to communicate directly in the future, we have come up with a section that we call What’s up?. Today we start directly with the first topic, namely ARM64: We had originally announced to make mailcow ARM64 ready by June 2023.
https://mailcow.email/posts/whats-up-arm64/ | 697 |
| 6 | 🛑📜 Spamhaus DNS Blocklist changes since 2023-07
Moohoo everyone!
With the mailcow update 2023-07, there’s a somewhat significant change regarding Spamhaus DNS blocklists.
This blog post is here to provide information for those interested.
https://mailcow.email/posts/2023/spamhaus-dnsblocklist/ | 746 |
| 7 | 🍒 🐄 Mooly Update 2023 - Manageable CORS Settings and UI Improvements
Moohoo everyone! Important Before updating mailcow, make sure that the whois package is installed on your system. New Feature: Manage CORS Settings administrators can now manage CORS (Cross-Origin Resource Sharing) settings via the web UI for API access. This allows for better control and enhanced security when handling data exchange between different origins. CORS - Why Is It Needed? Under normal circumstances, when a script runs in the user’s browser, it primarily needs to access resources from the same origin.
https://mailcow.email/posts/2023/release-2023-07/ | 765 |
| 8 | ⚠️ CVE-2023-34108 : Manipulation of Internal Dovecot Variables in mailcow via crafted Passwords ⚠️
Moohoo everyone!
As announced in the last blog entry (dated 30.05.2023), here is the detailed CVE for security patch 2023-05a.
If you have not yet updated, you should do so as soon as possible, because an exploit is now publicly available on the Internet that could be exploited by authenticated users on your mail server.
https://mailcow.email/posts/2023/cve-2023-34108/ | 704 |
| 9 | 🌷🐄 Mooay Update 2023 - Revision A (⚠️ CRITICAL security update ⚠️)
Moohoo everyone!
A very urgent security update for mailcow (2023-05a) has just been released.
We urge you to apply this update as this vulnerability has been lurking in the code for quite some time (before 2020).
https://mailcow.email/posts/2023/release-2023-05a/ | 598 |
| 10 | mailcow: dockerized - Blog
The monitoring task had failed 100 consecutive times. Your subscription to the RSS feed has been deactivated.
To reactivate it, please use the /activate_subs command.
ERROR: Network error (ClientConnectorError) | 141 |
| 11 | 🌷🐄 Mooai Update 2023 - IMAP Performance + general Tweaks Update
Moohoo everyone! It’s on with our updates for mailcow, this time (once again) mainly to improve the overall stability and usability of the stack, but also to improve IMAP performance. Let’s go: Changelog For Dovecot, the maildir_very_dirty_syncs option has been enabled by default. This allows much faster IMAP retrieval than before. In the mailcow docs we have created a new page about this. This describes the exact reasons for the performance boost as well as cases where the feature should be disabled: https://docs.
https://mailcow.email/posts/2023/release-2023-05/ | 793 |
| 12 |  💪🐮 armcow64: dockerized (mailcow on ARM64) Announcement
Moohoo everyone!
The emerging hype about ARM64 has not left the mailcow team cold either and so it is a pleasure to say:
mailcow gets ARM64 support
https://mailcow.email/posts/2023/arm64-announcement/ | 641 |
| 13 | Hello everyone,
the hype about ARM64 has also appealed us to "Port" mailcow to ARM64.
And yes exactly that happend or is happening right now!
armcow64: dockerized so to say.
How is the current status?
Well: See for yourself we'll update this PR with the latest break throughs or stats during that development: https://github.com/mailcow/mailcow-dockerized/pull/5219
However you can already test the first testing version if you want to. But please keep in mind that this version is not part of the nightly builds (yet) and have to installed a bit differently then normally. | 544 |
| 14 | Update 2023-04b has just been released!
https://github.com/mailcow/mailcow-dockerized/releases/tag/2023-04b | 599 |
| 15 | Hi all,
this is a quick update related to our mailcow community forum - especially for users who were relying on the Twitter login feature.
Due to unexpected suspension of our Twitter App the "Login via Twitter". There was no prior notice given nor a reasoning by Twitter. Therefore, we had to disable this feature now.
If you are impacted
All users who were relying on "Login via Twitter" need to use an alternative login provider (if configured), reset their password via e-mail or let us know in our mailcow main channel for further help.
Please read more here: https://community.mailcow.email/d/2355-attention-login-via-twitter-has-been-disabled | 748 |
| 16 | Update 2023-04a is here:
https://github.com/mailcow/mailcow-dockerized/releases/tag/2023-04a
It simply fixes the bug which caused Nextcloud to be not upgradable to Version 26 | 538 |
| 17 | 🥚🐄 Moopril Update 2023 - SOGo 5.8.2, Rspamd 3.5 and more.
Moohoo everyone
It’s on with our updates for mailcow, this time mainly to contribute to the general stability and usability of the stack.
Let’s get started:
https://mailcow.email/posts/2023/release-2023-04/ | 481 |
| 18 | 🐮🤝 LDAP is real and is coming 2023
Moohoo everyone!
The time of waiting is over and many have shared their solution with us on the contact options below.
Today we finally have the pleasure to let it out into the world!
https://mailcow.email/posts/2023/ldap-announcement/ | 741 |
| 19 | 🤔 Have you seen these letters? - [Unrevealed]
Moohoo everyone! First of all, a big, big sorry for the long radio silence here. We have not forgotten the blog here and will also fill this again with content, probably once a month as a summary of what has happened with the updates, which now (actually) come more spontaneously and more often and with more innovations instead of “ONLY” bug fixes, etc.. But in this blogpost we would like to draw your attention to a mysterious thing:
https://mailcow.email/posts/2023/letters-mystery/ | 864 |
| 20 | LD - GH - Q2 - IS - CO - TLY - AP - TO - NI - 20 - 23 - NG - MI
These are all letters we've posted over the last weeks on twitter.
The result is a sentence. Can you decrypt it? Write your answer as a comment on this post!
We'll solve this mystery this Friday (31st March 2023) for you all! | 719 |
