relay_domains = *
virtual_alias_maps = proxy:mysql:/etc/postfix/virtual_alias_maps.cf
virtual_mailbox_domains = proxy:mysql:/etc/postfix/virtual_domains_maps.cf
virtual_mailbox_maps = proxy:mysql:/etc/postfix/virtual_mailbox_maps.cf
virtual_mailbox_base = /home/vmail
virtual_mailbox_limit = 512000000
virtual_minimum_uid = 5000
virtual_transport = virtual
virtual_uid_maps = static:5000
virtual_gid_maps = static:5000
local_transport = virtual
local_recipient_maps = $virtual_mailbox_maps
transport_maps = hash:/etc/postfix/transport

smtpd_sasl_auth_enable = yes
smtpd_sasl_type = dovecot
smtpd_sasl_path = /var/run/dovecot/auth-client
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
smtpd_sasl_security_options = noanonymous

smtpd_tls_CAfile = /etc/ssl/mail/ca-bundle.pem
smtpd_tls_cert_file = /etc/ssl/mail/mail.domain.net.crt
smtpd_tls_key_file = /etc/ssl/mail/mail.domain.net.key
smtpd_tls_session_cache_database = btree:/var/lib/postfix/smtpd_tls_session_cache
smtpd_use_tls = yes

smtp_tls_CAfile = /etc/ssl/mail/ca-bundle.pem
smtp_tls_cert_file = /etc/ssl/mail/mail.domain.net.crt
smtp_tls_key_file = /etc/ssl/mail/mail.domain.net.key

smtp_tls_session_cache_database = btree:/var/lib/postfix/smtp_tls_session_cache
smtpd_tls_security_level = may

smtpd_tls_received_header = yes
smtpd_tls_loglevel = 1
smtpd_tls_auth_only = no
tls_random_source = dev:/dev/urandom