# Spam Control
# See 
#   1. http://www.bagley.org/~doug/spam/postfix.shtml.
#   2. http://www.mengwong.com/misc/postfix-uce-guide.txt   
#   3. http://www.zdnet.com.au/itmanager/technology/story/0,2000029587,20276680,00.htm
# [3] agrees that reject_unknown_client tends to nuke legitimate mail.
# Insert warn_if_reject immediately before rule to test it first.
smtpd_soft_error_limit = 3
smtpd_hard_error_limit = 30
default_process_limit = 10
disable_vrfy_command = yes
unknown_client_reject_code = 550
unknown_address_reject_code = 550
smtpd_helo_required = yes
strict_rfc821_envelopes = yes
local_recipient_maps = $alias_maps unix:passwd.byname
smtpd_recipient_restrictions = 
	permit_mynetworks
	check_recipient_access hash:/etc/postfix/access
	check_sender_access    hash:/etc/postfix/access
	check_client_access    hash:/etc/postfix/access
	check_client_access    hash:/var/lib/pop-before-smtp/hosts
	reject_unknown_hostname
	reject_non_fqdn_hostname
	reject_invalid_hostname
	reject_non_fqdn_sender
	reject_unknown_sender_domain
	reject_unknown_recipient_domain
	reject_unauth_pipelining
	warn_if_reject reject_maps_rbl
	check_relay_domains