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https://github.com/docker-mailserver/docker-mailserver.git
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87 lines
4 KiB
Markdown
87 lines
4 KiB
Markdown
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# User Management
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## Accounts
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Users (email accounts) are managed in `/tmp/docker-mailserver/postfix-accounts.cf`. The best way to manage accounts is to use the reliable `setup` command inside the container. Just run `docker exec <CONTAINER NAME> setup help` and have a look at the section about subcommands, specifically the `email` subcommand.
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### Adding a new Account
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#### Via `setup` inside the container
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You can add an account by running `docker exec -ti <CONTAINER NAME> setup email add <NEW ADDRESS>`. This method is strongly preferred.
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#### Manually
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!!! warning
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This method is discouraged!
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Alternatively, you may directly add the full email address and its encrypted password, separated by a pipe. To generate a new mail account data, directly from your host, you could for example run the following:
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```sh
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docker run --rm -it \
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--env MAIL_USER=user1@example.com \
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--env MAIL_PASS=mypassword \
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ghcr.io/docker-mailserver/docker-mailserver:latest \
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/bin/bash -c \
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'echo "${MAIL_USER}|$(doveadm pw -s SHA512-CRYPT -u ${MAIL_USER} -p ${MAIL_PASS})" >>docker-data/dms/config/postfix-accounts.cf'
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```
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You will then be asked for a password, and be given back the data for a new account entry, as text. To actually _add_ this new account, just copy all the output text in `docker-data/dms/config/postfix-accounts.cf` file of your running container.
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The result could look like this:
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```cf
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user1@example.com|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1
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```
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### Quotas
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- `imap-quota` is enabled and allow clients to query their mailbox usage.
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- When the mailbox is deleted, the quota directive is deleted as well.
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- Dovecot quotas support LDAP, **but it's not implemented** (_PRs are welcome!_).
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## Aliases
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The best way to manage aliases is to use the reliable `setup` script inside the container. Just run `docker exec <CONTAINER NAME> setup help` and have a look at the section about subcommands, specifically the `alias`-subcommand.
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### About
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You may read [Postfix's documentation on virtual aliases][postfix-docs-alias] first. Aliases are managed in `/tmp/docker-mailserver/postfix-virtual.cf`. An alias is a full email address that will either be:
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- delivered to an existing account registered in `/tmp/docker-mailserver/postfix-accounts.cf`
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- redirected to one or more other email addresses
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Alias and target are space separated. An example on a server with `example.com` as its domain:
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```cf
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# Alias delivered to an existing account
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alias1@example.com user1@example.com
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# Alias forwarded to an external email address
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alias2@example.com external-account@gmail.com
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```
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### Configuring RegExp Aliases
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Additional regexp aliases can be configured by placing them into `docker-data/dms/config/postfix-regexp.cf`. The regexp aliases get evaluated after the virtual aliases (container path: `/tmp/docker-mailserver/postfix-virtual.cf`). For example, the following `docker-data/dms/config/postfix-regexp.cf` causes all email sent to "test" users to be delivered to `qa@example.com` instead:
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```cf
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/^test[0-9][0-9]*@example.com/ qa@example.com
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```
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### Address Tags (Extension Delimiters) as an alternative to Aliases
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Postfix supports so-called address tags, in the form of plus (+) tags - i.e. `address+tag@example.com` will end up at `address@example.com`. This is configured by default and the (configurable!) separator is set to `+`. For more info, see [Postfix's official documentation][postfix-docs-extension-delimiters].
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!!! note
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If you do decide to change the configurable separator, you must add the same line to *both* `docker-data/dms/config/postfix-main.cf` and `docker-data/dms/config/dovecot.cf`, because Dovecot is acting as the delivery agent. For example, to switch to `-`, add:
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```cf
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recipient_delimiter = -
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```
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[postfix-docs-alias]: http://www.postfix.org/VIRTUAL_README.html#virtual_alias
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[postfix-docs-extension-delimiters]: http://www.postfix.org/postconf.5.html#recipient_delimiter
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