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bors[bot] dbbfa44461
Merge #2071 
2071: Reduce logging level r=mergify[bot] a=nextgens

## What type of PR?

bug-fix

## What does this PR do?

Reduce the logging level associated with TLSA record lookup. I've been running master in prod for a few months now and one of the common messages is:
```
[2021-11-23 08:53:29,884] ERROR in utils: Error while looking up the TLSA record for .fr A DNS label is empty.
[2021-11-23 08:53:30,630] ERROR in utils: Error while looking up the TLSA record for .co.uk A DNS label is empty.
[2021-11-23 08:53:30,636] ERROR in utils: Error while looking up the TLSA record for .uk A DNS label is empty.
[2021-11-23 08:58:16,264] ERROR in utils: Error while looking up the TLSA record for .net A DNS label is empty.
[2021-11-23 08:58:17,059] ERROR in utils: Error while looking up the TLSA record for .com A DNS label is empty.
[2021-11-23 09:04:04,597] ERROR in utils: Error while looking up the TLSA record for .org A DNS label is empty.
```
There is no point in having them at all, so let's mute them.

Another (but that arguably is still worth having):
```
[2021-11-23 12:52:46,231] ERROR in utils: Error while looking up the TLSA record for frenger.com The DNS response does not contain an answer to the question: _25._tcp.frenger.com. IN TLSA
[2021-11-24 08:52:57,794] ERROR in utils: Error while looking up the TLSA record for numericable.fr The DNS response does not contain an answer to the question: _25._tcp.numericable.fr. IN TLSA
[2021-11-24 08:52:58,687] ERROR in utils: Error while looking up the TLSA record for neuf.fr The DNS response does not contain an answer to the question: _25._tcp.neuf.fr. IN TLSA
```
For that one I have reduced the severity it's logged at.

Keep in mind that the default action is "pass": this means that we won't impose "dane-only". There will be a test for MTA-STS and then a fallback to "dane" (where postfix will make its own determination as of what those DNS errors should dictate).

Co-authored-by: Florent Daigniere <nextgens@freenetproject.org>
 		3 years ago
.github Update stale bot with clearer message why an issue is marked stale. 3 years ago
core Reduce logging level 3 years ago
design RFC: Mailu directory structure 5 years ago
docs Merge #2064 3 years ago
optional fixed ipv6 access-control 3 years ago
setup Use a better location for storing the fetchmail data. 3 years ago
tests Remove PASSWORD_SCHEME from test envs 3 years ago
towncrier Merge #2064 3 years ago
webmails Set timezone in roundcube.ini 3 years ago
.gitignore use different alpine image for arm, add config for php images+arm 5 years ago
.mergify.yml Modified trusted authors mergify config as disccused in #1932 3 years ago
AUTHORS.md Improve changelog and release texts for 1.8 4 years ago
CHANGELOG.md enhanced security changelog entry and added recommendation to recreate secret_key 3 years ago
CODE_OF_CONDUCT.md Add a code of conduct, fixes #319 7 years ago
CONTRIBUTING.md Update "the development guidelines" hyperlink 4 years ago
ISSUE_TEMPLATE.md Remove <> tags as they break markdown rendering 4 years ago
LICENSE.md Rename the freeposte/mailu directory and database 8 years ago
PULL_REQUEST_TEMPLATE.md fix spelling 3 years ago
README.md Cosmetic change 3 years ago
bors.toml Switch to github actions for CI/CD 3 years ago
pyproject.toml Fix the package setting 5 years ago

README.md

Mailu

Mailu is a simple yet full-featured mail server as a set of Docker images. It is free software (both as in free beer and as in free speech), open to suggestions and external contributions. The project aims at providing people with an easily setup, easily maintained and full-featured mail server while not shipping proprietary software nor unrelated features often found in popular groupware.

Most of the documentation is available on our Website, you can also try our demo server before setting up your own, and come talk to us on Matrix.

Features

Main features include:

  • Standard email server, IMAP and IMAP+, SMTP and Submission
  • Advanced email features, aliases, domain aliases, custom routing
  • Web access, multiple Webmails and administration interface
  • User features, aliases, auto-reply, auto-forward, fetched accounts
  • Admin features, global admins, announcements, per-domain delegation, quotas
  • Security, enforced TLS, DANE, MTA-STS, Letsencrypt!, outgoing DKIM, anti-virus scanner
  • Antispam, auto-learn, greylisting, DMARC and SPF
  • Freedom, all FOSS components, no tracker included

Domains

Contributing

Mailu is free software, open to suggestions and contributions. All components are free software and compatible with the MIT license. All specific configuration files, Dockerfiles and code are placed under the MIT license.