docker-mailserver/docs/content/config/user-management/accounts.md

Adding a new account

Users (email accounts) are managed in /tmp/docker-mailserver/postfix-accounts.cf. The best way to manage accounts is to use the reliable setup.sh script. Or you may directly add the full email address and its encrypted password, separated by a pipe:

user1@domain.tld|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1
user2@otherdomain.tld|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1

In the example above, we've added 2 mail accounts for 2 different domains. Consequently, the mail server will automatically be configured for multi-domains. Therefore, to generate a new mail account data, directly from your docker host, you could for example run the following:

docker run --rm \
  -e MAIL_USER=user1@domain.tld \
  -e MAIL_PASS=mypassword \
  -ti mailserver/docker-mailserver:latest \
  /bin/sh -c 'echo "$MAIL_USER|$(doveadm pw -s SHA512-CRYPT -u $MAIL_USER -p $MAIL_PASS)"' >> config/postfix-accounts.cf

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 config/postfix-accounts.cf file of your running container. Please note the doveadm pw command lets you choose between several encryption schemes for the password. Use doveadm pw -l to get a list of the currently supported encryption schemes.

Note: Changes to the accounts list require a restart of the container, using supervisord. See #552.

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Notes

• imap-quota is enabled and allow clients to query their mailbox usage.
• When the mailbox is deleted, the quota directive is deleted as well.
• Dovecot quotas support LDAP, but it's not implemented (PR are welcome!).