# Dovecot > Dovecot container image. ## Exposed interfaces The containers exposes TCP ports 25 (LMTP) and 993 (IMAPS) and the `lmtp` Unix socket in the `/run/dovecot` volume (for LTMP submission). ## Environment variables Name | Description --- | --- `LDAP_URIS` | LDAP URI (eg, `ldapi:///`). `LDAP_BASEDN` | LDAP base DN (eg, `dc=example,dc=com`). ## Persistence The mbox files are stored at `/var/mail`. ## License This software is licensed under the MIT license (see `LICENSE.txt`). ## Author Information Nimrod Adar, [contact me](mailto:nimrod@shore.co.il) or visit my [website](https://www.shore.co.il/). Patches are welcome via [`git send-email`](http://git-scm.com/book/en/v2/Git-Commands-Email). The repository is located at: .