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Almost-spring-updates

Updated on March 10, 2019: Moooore! For commercially used mailcows, please consider buying a support subscription or help to keep mailcow alive by donating. Many under-the-hood changes since Foobruary...

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Mid-April updates

For commercially used mailcows, please consider buying a support subscription or help to keep mailcow alive by donating. I really, really miss working on mailcow full time. Only because of all amazing...

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Moo-y? May updates!

For commercially used mailcows, please consider buying a support subscription or help to keep mailcow alive by donating. BIGGEST THANKS TO ALL CONTRIBUTORS! I think you guys fixed more bugs than I...

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June updates

For commercially used mailcows, please consider buying a support subscription or help to keep mailcow alive by donating. ONCE AGAIN A BIG THANKS TO ALL CONTRIBUTORS! Important changes Thanks to...

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Update your HTTP to HTTPS redirection and mailcow to prevent acme-mailcow...

Hi, Please see the updated reverse proxy docs and adjust your site.conf (only if you are not using a reverse proxy!). An older draft excluded autoconfig from the redirection. Older setups may still...

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Security, security and security

So what happened the last few days and weeks? You guessed it! Some important security updates! To sum it up: – Critical: There was a dovecot security issue fixed which can lead to private information...

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Attention for Ubuntu 18.04 users: Kernel 4.15.0-60 causes kernel panic

This is a short heads-up for users running their mailcow instance on Ubuntu 18.04: Do NOT upgrade to kernel 4.15.0-60 as of now! Based on various user reports and more extensive testing this specific...

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FYI: Managed mailcows are back in stock

We also migrate existing installations. Please see https://www.servercow.de/mailcow#managed for further information.

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Mootember updates

Sorry for the delay, mailcow was still worked on. Time is running too fast. Instead of writing down all commits you can already find on GitHub, I will only mention important changes or fixes dating...

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MariaDB 10.3 rollout

We just included MariaDB 10.3. If you run ./update.sh, you will encounter some errors in mysql-mailcow, that will be fixed by the upgrade process triggered by php-fpm-mailcow. A SQL backup is...

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Mootober Updates

Instead of writing down all commits you can already find on GitHub, we will only mention important changes or fixes dating back from the previous post until today. Rspamd is now available in version...

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Moovember Updates

The year is slowly coming to its end. We hope you will enjoy the last few weeks of the year. Instead of writing down all commits you can already find on GitHub, we will only mention important changes...

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Update your Kernel, if you are on Ubuntu 16.04

You may encounter errors with Dovecot or ClamAV (and probably other containers besides mailcow), if you run Ubuntu 16.04 with its default kernel 4.4 and Docker from the official Docker repository....

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mailcow article in the spider web

Thanks a lot to Benjamin from nichteinschalten.de for creating this awesome blog post about mailcow. Eigener und sicherer Mailserver einfach aufgesetzt: Mailcow

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January – Mooray, updates!

Sorry for the lack of december update news.     Important change for SAL users (see “support development” on the right sidebar) You can now set WATCHDOG_EXTERNAL_CHECKS=y in mailcow.conf to enable an...

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TLS 1.0 and 1.1 is now disabled for POP3/S, IMAP/S, SMTPS and SUBMISSION

Today we disabled the deprecated protocols TLS 1.0 and 1.1. Unauthenticated mail via SMTP on port 25/tcp does still accept >= TLS 1.0 . It is better to accept a weak encryption than none at all. How...

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1st: Fuzzy storage is online; 2nd: Spam wanted!

Hi, The fuzzy storage is now enabled in mailcow, so please update your cows. Please contact me, André, at info@servercow.de, if you want to share your spam mail with us. Old, unused domains with a high...

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Force renewal of a TLS certificate

Hi, If you are affected by a soon-to-be revoked certificate from Let’s Encrypt, update your mailcow and force a renewal. Check if you are affected. André

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Swedish IMAP folders? Please update, again.

I did not check a PR sufficiently and merged a `auto = subscribe` for Swedish folder names. If you updated between ~ GMT 06:00 AM and GMT 10:00 AM, please update again and delete the new folders, that...

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A few updates (or: The Moorch Updates)

By the way: We update the code on a regular basis, you don’t need to wait until we post these overviews.     Important changes for all moo cows A mailcow fuzzy storage! Please contact me, if you want...

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