Postfix main.cf

main.cf

smtpd_banner = $myhostname ESMTP $mail_name (FreeBSD)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

readme_directory = no

smtpd_tls_cert_file=/etc/ssl/certs/dovecot.pem
smtpd_tls_key_file=/etc/ssl/private/dovecot.pem
smtpd_use_tls=yes
smtpd_tls_auth_only = yes

smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
smtpd_sasl_auth_enable = yes
smtpd_recipient_restrictions =
        permit_sasl_authenticated,
        permit_mynetworks,
        reject_unauth_destination

myhostname = your.domain.here
alias_maps = hash:/usr/local/etc/aliases
alias_database = hash:/usr/local/etc/aliases
myorigin = /etc/hostname
mydestination = localhost
relayhost =
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all

virtual_transport = lmtp:unix:private/dovecot-lmtp
virtual_mailbox_domains = pgsql:/etc/postfix/pgsql-virtual-mailbox-domains.cf
virtual_mailbox_maps = pgsql:/usr/local/etc/postfix/pgsql-virtual-mailbox-maps.cf
virtual_alias_maps = pgsql:/usr/local/etc/postfix/pgsql-virtual-alias-maps.cf