, permit
# require proper helo at connections
smtpd_helo_required = yes
# waste spammers time before rejecting them
smtpd_delay_reject = yes
disable_vrfy_command = yes
# not sure of the difference of the next two
# but they are needed for local aliasing
#alias_maps = hash:/etc/postfix/aliases
#alias_database = hash:/etc/postfix/aliases
# this specifies where the virtual mailbox folders will be located
virtual_mailbox_base = /var/spool/mail/virtual
# this is for the mailbox location for each user
virtual_mailbox_maps = mysql:/etc/postfix/mysql_mailbox.cf
# and their user id
virtual_uid_maps = mysql:/etc/postfix/mysql_uid.cf
# and group id
virtual_gid_maps =  mysql:/etc/postfix/mysql_gid.cf
# and this is for aliases
virtual_alias_maps = mysql:/etc/postfix/mysql_alias.cf
# and this is for domain lookups
virtual_mailbox_domains = mysql:/etc/postfix/mysql_domains.cf
# this is how to connect to the domains (all virtual, but the option is there)
# not used yet
# transport_maps = mysql:/etc/postfix/mysql_transport.cf
#adding the postgrey policy:
#smtpd_recipient_restrictions = reject_unauth_pipelining, permit_mynetworks, reject_non_fqdn_recipient, reject_unknown_recipient_domain, reject_unauth_destination, check_policy_service inet:127.0.0.1:60000, permit
# modify the existing smtpd_recipient_restrictions
smtpd_recipient_restrictions = reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_recipient, reject_unauth_destination, check_policy_service inet:127.0.0.1:60000, permit
# modify the existing smtpd_sender_restrictions
smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_non_fqdn_sender, reject_unknown_sender_domain, reject_unauth_pipelining, permit
# then add these
smtpd_sasl_auth_enable = yes
broken_sasl_auth_clients = yes
smtpd_sasl_path = /etc/postfix/sasl:/usr/lib/sasl2
smtpd_sasl_security_options = noanonymous
smtpd_sasl_local_domain =