PostfixAdmin is a web based interface used to manage mailboxes, virtual domains and aliases. It also features support for vacation/out-of-the-office messages.
- Lightweight & secure image (no root process)
- Based on Alpine Linux
- Latest Postfixadmin version (3.3.13)
- MariaDB/PostgreSQL driver
- With PHP8
- VERSION : version of postfixadmin
- SHA256_HASH : SHA256 hash of Postfixadmin archive
- 8888
| Variable | Description | Type | Default value |
|---|---|---|---|
| UID | postfixadmin user id | optional | 991 |
| GID | postfixadmin group id | optional | 991 |
| DBDRIVER | Database type: mysql, pgsql | optional | mysql |
| DBHOST | Database instance ip/hostname | optional | mariadb |
| DBPORT | Database instance port | optional | 3306 |
| DBUSER | Database database username | optional | postfix |
| DBNAME | Database database name | optional | postfix |
| DBPASS | Database database password or location of a file containing it | required | null |
| SMTPHOST | SMTP server ip/hostname | optional | mailserver |
| DOMAIN | Mail domain | optional | domainname value |
| ENCRYPTION | Passwords encryption method | optional | dovecot:SHA512-CRYPT |
| PASSVAL_MIN_LEN | Passwords validation: minimum password length | optional | 5 |
| PASSVAL_MIN_CHAR | Passwords validation: must contain at least characters | optional | 3 |
| PASSVAL_MIN_DIGIT | Passwords validation: must contain at least digits | optional | 2 |
| PAGE_SIZE | Number of entries (mailboxes, alias, etc) that you would like to see in one page. | optional | 10 |
| QUOTA_MULTIPLIER | Number of bytes required to represent a single quota unit. You can either use '1000000', '1024000' or '1048576' | optional | 1024000 |
| FETCHMAIL_EXTRA_OPTIONS | Allows to pass additional options to fetchmail | optional | NO |
- If you use this docker image and mailserver2/mailserver with fetchmail support enabled, a dedicated port (10025) is available with less restrictions for delivery. Use
FETCHMAIL_EXTRA_OPTIONSenvironment variable for that purpose. Example :
postfixadmin:
environment:
FETCHMAIL_EXTRA_OPTIONS="smtp localhost/10025"# Full example :
# https://github.com/mailserver2/mailserver/blob/master/docker-compose.sample.yml
postfixadmin:
image: mailserver2/postfixadmin
container_name: postfixadmin
domainname: domain.tld
hostname: mail
environment:
- DBPASS=xxxxxxx
depends_on:
- mailserver
- mariadb # postgres (adjust accordingly)https://github.com/mailserver2/mailserver/wiki/Postfixadmin-initial-configuration