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# role server_docker-mailu
# Mailu Server Docker Role
## setup
### bugs
This guide provides instructions for setting up, operating, and maintaining the Mailu server docker role.
#### fetchmail
Fetchmail doesn't work with big amounts of data.
For further information see this issue: https://github.com/Mailu/Mailu/issues/1719.
## Table of Contents
##### deactivation
If you have fetchmail installed and want to deinstall it keep in mind to delete all fetched accounts from the administration panel before you delete fetchmail.
- [Setup](#setup)
- [Fetchmail Issues](#fetchmail-issues)
- [Data Deletion](#data-deletion)
- [Port Management](#port-management)
- [Admin Account Creation](#admin-account-creation)
- [CLI User Management](#cli-user-management)
- [Starting the Server](#starting-the-server)
- [Debugging](#debugging)
- [Testing](#testing)
- [Updates](#updates)
- [To-Do](#to-do)
- [References](#references)
##### security concerns
The [german wikipedia tells that there are some security concern with fetchmail](https://de.wikipedia.org/wiki/Fetchmail). If in the future a customer needs to functions of fetchmail, it could be better to write a docker container for [getmail](https://en.wikipedia.org/wiki/Getmail) instead because it should be more secure.
## Setup
##### workaround
If you need to receive emails from another account this should help:
### Fetchmail Issues
- Redirect to your new email account
- Export all data from your original account
- Import all data from your original account to your new account
Fetchmail might not work properly with large amounts of data. For more information, refer to this [issue](https://github.com/Mailu/Mailu/issues/1719).
### delete data
To delete all volumes and data execute:
#### Deactivating Fetchmail
Before uninstalling Fetchmail, ensure to remove all fetched accounts from the administration panel.
#### Fetchmail Security Concerns
There are known security concerns with Fetchmail as stated in the [German Wikipedia](https://de.wikipedia.org/wiki/Fetchmail). If you require Fetchmail functions in the future, consider creating a Docker container for [Getmail](https://en.wikipedia.org/wiki/Getmail) as it is considered more secure.
#### Fetchmail Workaround
If you need to receive emails from another account, follow these steps:
1. Redirect your emails to your new email account.
2. Export all data from your original account.
3. Import all data to your new account.
### Data Deletion
To delete all volumes and data, execute the following command with caution:
```bash
rm -vr /etc/mailu/; docker volume rm $(docker volume ls -q | grep mailu_)
```
Be careful!
### ports
Keep in mind to change the conflicting ports manual.
Execute
### Port Management
Check for any port conflicts and manually change the conflicting ports if necessary. Use the following command to verify:
```bash
netstat -tulpn
```
to verify that there aren't port conflicts
### Admin Account Creation
### admin account
Before you can use Mailu, you must create the primary administrator user account. This should be admin@{{hostname}}. Use the following command, changing PASSWORD to your liking:
To use Mailu, create the primary administrator user account, `admin@{{hostname}}`, using the command below. Replace `PASSWORD` with your preferred password:
```bash
docker-compose -p mailu exec admin flask mailu admin {{admin}} {{hostname}} PASSWORD
```
### cli user management
How to manage users is described here: https://mailu.io/master/cli.html
### CLI User Management
### Up
For managing users, follow the instructions in the official [Mailu CLI documentation](https://mailu.io/master/cli.html).
### Starting the Server
To start the server, use the following command:
```bash
docker-compose -p mailu up -d
```
## debug
## database
### database access
To access the database execute
```bash
docker exec -it mailu-database-1 mysql -u root -D mailu -p
```
## Debugging
### mailu_front_1
### Database Access
To access the database, use the following command:
```bash
sudo docker container exec -it mailu_front_1 /bin/bash
docker-compose exec -it database mysql -u root -D mailu -p
```
### restart everything
### Container Access
To access the front container, use this command:
```bash
sudo docker restart mailu_smtp_1 mailu_imap_1 mailu_antispam_1 mailu_redis_1 mailu_webdav_1 mailu_front_1 mailu_database_1 mailu_webmail_1 mailu_admin_1 mailu_antivirus_1
docker-compose exec -it front /bin/bash
```
## resend queued mails
### Restarting Services
To restart all services, use the following command:
```bash
docker-compose restart
```
### Resending Queued Mails
To resend queued mails, use this command:
```bash
docker-compose exec -it smtp postqueue -f
```
## test
- https://de.ssl-tools.net/mailservers/
- http://testemail.de/
## Testing
## update
For update instructions follow:
- https://mailu.io/master/maintain.html
Use the following tools for testing:
## todo
- https://blog.kuepper.nrw/2019/03/30/roundcube-webmail-mit-zwei-faktor-authentifizierung/
- https://mailu.io/master/faq.html#i-want-to-integrate-nextcloud-15-and-newer-with-mailu
- https://docs.nextcloud.com/server/9.0/admin_manual/configuration_user/user_auth_ftp_smb_imap.html
## See
- https://gist.github.com/marienfressinaud/f284a59b18aad395eb0de2d22836ae6b
- https://mailu.io/1.7/compose/setup.html
- https://github.com/nuxsmin/sysPass/issues/1299
- https://github.com/Mailu/Mailu/issues/1171
- https://support.plesk.com/hc/en-us/articles/115001264814-Unable-to-log-into-RoundCube-Connection-to-storage-server-failed
- https://github.com/Mailu/Mailu
- https://github.com/Mailu/Mailu/issues/2135
- https://github.com/Mailu/Mailu/issues/2827
- SSL-Tools Mailserver Test (URL: https://de.ssl-tools.net/mailservers/)
- TestEmail.de (URL: http://testemail.de/)
## Updates
For instructions on updating your Mailu setup, follow the official [Mailu maintenance guide](https://mailu.io/master/maintain.html).
## To-Do
- Implement two-factor authentication in Roundcube Webmail. More information can be found [here](https://blog.kuepper.nrw/2019/03/30/roundcube-webmail-mit-zwei-faktor-authentifizierung/).
- Integrate Nextcloud 15 and newer with Mailu. Learn more about this [here](https://mailu.io/master/faq.html#i-want-to-integrate-nextcloud-15-and-newer-with-mailu).
- User authentication with Nextcloud. Find more information [here](https://docs.nextcloud.com/server/9.0/admin_manual/configuration_user/user_auth_ftp_smb_imap.html).
## References
- [Mailu compose setup guide](https://mailu.io/1.7/compose/setup.html)
- [SysPass issue #1299](https://github.com/nuxsmin/sysPass/issues/1299)
- [Mailu issue #1719](https://github.com/Mailu/Mailu/issues/1719)
- [Mailu issue #1171](https://github.com/Mailu/Mailu/issues/1171)
- [Mailu issue #2135](https://github.com/Mailu/Mailu/issues/2135)
- [Mailu issue #2827](https://github.com/Mailu/Mailu/issues/2827)
- [Mailu GitHub repository](https://github.com/Mailu/Mailu)
- [Plesk support article on RoundCube connection issue](https://support.plesk.com/hc/en-us/articles/115001264814-Unable-to-log-into-RoundCube-Connection-to-storage-server-failed)
- [Gist by marienfressinaud](https://gist.github.com/marienfressinaud/f284a59b18aad395eb0de2d22836ae6b)
For more information about this role, visit the [GitHub repository](https://github.com/kevinveenbirkenbach/computer-playbook/tree/master/roles/server_docker-mailu).
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