POSTGRES_HOST=postgresql.roundcube.internal.docker
POSTGRES_USER=roundcube
POSTGRES_PASSWORD=pg_password
POSTGRES_DB=roundcube

IMAP_HOST=tls://mail1.example.com

SMTP_HOST=tls://mail1.example.com

SIEVE_HOST=mail1.example.com

MAIL_USER_DB_HOST=mail1.example.com
MAIL_USER_DB_USER=postfixadmin
MAIL_USER_DB_PASSWORD=pg_password
MAIL_USER_DB_DB=postfixadmin
MAIL_USER_DB_PORT=34000

DES_KEY=CHANGE_IT