# Link the mailbox uid and gid to postfix.
virtual_uid_maps = static:5000
virtual_gid_maps = static:5000

# Set the base address for all virtual mailboxes
virtual_mailbox_base = /var/vmail

# Handing off local delivery to Dovecot's LMTP, and telling it where to store mail
transport_maps = hash:/etc/postfix/transport

# Virtual domains, users, and aliases
virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql-virtual-mailbox-domains.cf
virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql-virtual-mailbox-maps.cf
virtual_alias_maps = proxy:mysql:/etc/postfix/mysql-virtual-alias-maps.cf,
        hash:/var/lib/mailman/data/virtual-mailman

# Handle SMTP authentication using Dovecot
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
smtpd_sasl_auth_enable = yes  

smtpd_recipient_restrictions =
        [...]
        permit_sasl_authenticated,
        [...]