Add configuration

The Dovecot default configuration can easily be extended providing a config/dovecot.cf file. Dovecot documentation remains the best place to find configuration options.

Your docker-mailserver folder should look like this example:

├── config
│   ├── dovecot.cf
│   ├── postfix-accounts.cf
│   └── postfix-virtual.cf
├── docker-compose.yml
└── README.md

Override configuration

For major configuration changes it’s best to override the dovecot configuration files. For each configuration file you want to override, add a list entry under the volumes: key.

version: '2'

services:
  mail:
  ...
    volumes:
      - maildata:/var/mail
      ...
      - ./config/dovecot/10-master.conf:/etc/dovecot/conf.d/10-master.conf

Debugging

To debug your dovecot configuration you can use this command:

./setup.sh debug login doveconf | grep <some-keyword>

setup.sh is included in the docker-mailserver repository.

docker exec -ti <your-container-name> doveconf | grep <some-keyword>

The config/dovecot.cf is copied to /etc/dovecot/local.conf. To check this file run:

docker exec -ti <your-container-name> cat /etc/dovecot/local.conf

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Add configuration

Override configuration

Debugging

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