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Updated FAQ and Tips (markdown)

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Jean-Denis Vauguet 2020-05-31 05:39:28 +02:00
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docs/content/config/troubleshooting/faq.md
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### What kind of database are you using? ### What kind of database are you using?
None. No *sql database required. None! No database is required. Filesystem is the database.
This image is based on config files that can be versioned. This image is based on config files that can be persisted using Docker volumes, and as such versioned, backed up and so forth.
You'll probably want to `push` your config updates to your server and restart the container to apply changes.
### Where are emails stored? ### Where are emails stored?
Mails are stored in `/var/mail/${domain}/${username}`. Mails are stored in `/var/mail/${domain}/${username}`.
You should use a [data volume container](https://medium.com/@ramangupta/why-docker-data-containers-are-good-589b3c6c749e#.uxyrp7xpu) for `/var/mail` to persist data. Otherwise, your data may be lost. You should use a [data volume container](https://medium.com/@ramangupta/why-docker-data-containers-are-good-589b3c6c749e#.uxyrp7xpu) for `/var/mail` to persist data. Otherwise, your data may be lost.
### How to alter the running mailserver instance _without_ relaunching the container?
docker-mailserver aggregates multiple "sub-services", such as Postfix, Dovecot, Fail2ban, SpamAssasin, etc. In many cases, on may edit a sub-service's config and reload that very sub-service, without stopping and relaunching the whole mail server.
In order to do so, you'll probably want to push your config updates to your server through a Docker volume, then restart the sub-service to apply your changes, using `supervisorctl`. For instance, after editing fail2ban's config: `supervisorctl restart fail2ban`.
See [supervisorctl's documentation](http://supervisord.org/running.html#running-supervisorctl).
### How can I sync container with host date/time? ### How can I sync container with host date/time?
Share the host's [`/etc/localtime`](https://www.freedesktop.org/software/systemd/man/localtime.html) descriptor with the mail-server container, using a volume: Share the host's [`/etc/localtime`](https://www.freedesktop.org/software/systemd/man/localtime.html) descriptor with the mail-server container, using a volume: