# Incoming mail (IMAP)
IMAP_HOST=imap.example.com
IMAP_PORT=143

# Outgoing mail (SMTP with STARTTLS)
SMTP_HOST=smtp.example.com
SMTP_PORT=587
SMTP_AUTH_TYPE=PLAIN

# UI skin (elastic and larry are bundled; any roundcube/<name> Packagist skin
# is installed automatically on container start)
ROUNDCUBE_SKIN=elastic