Modify Postfix Config

Modify postfix main.cf and master.cf to support amavisd-new

cd /usr/local/etc/postfix
pico main.cf

## add these line below in the end of the config :
## these will added RBL/SBL, SPF and Security access

# Security Options
disable_vrfy_command = yes
smtpd_etrn_restrictions = permit_mynetworks, reject
smtpd_helo_required = yes
spf_explanation = "% [%] is not allowed to send mail for %"

#====================SASL========================
broken_sasl_auth_clients = yes
smtpd_recipient_restrictions =
permit_mynetworks,
permit_sasl_authenticated,
reject_invalid_hostname,
reject_non_fqdn_hostname,
reject_unknown_sender_domain,
reject_non_fqdn_sender,
reject_non_fqdn_recipient,
reject_unknown_recipient_domain,
reject_unauth_pipelining,
reject_unauth_destination,
reject_rbl_client bl.spamcop.net,
reject_rbl_client sbl-xbl.spamhaus.org,
reject_rbl_client list.dsbl.org,
reject_rbl_client sbl.spamhaus.org,
reject_rbl_client cbl.abuseat.org,
reject_rbl_client dul.dnsbl.sorbs.net,
reject_rbl_client rbl.brasilrbl.com.br,
reject_rhsbl_client rhsbl.brasilrbl.com.br,
check_policy_service unix:private/policy,
permit

smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_security_options = noanonymous
smtpd_sasl_application_name = smtpd
smtpd_banner=$myhostname ESMTP "server.postfixrocks.org"

smtp_use_tls = yes
smtpd_use_tls = yes
smtp_tls_note_starttls_offer = yes
smtpd_tls_key_file = /etc/ssl/smtpd.pem
smtpd_tls_cert_file = /etc/ssl/smtpd.pem
smtpd_tls_CAfile = /etc/ssl/smtpd.pem
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_session_cache_timeout = 3600s
tls_random_source = dev:/dev/urandom

## this line below is for communicate with amavisd-new port
content_filter = smtp-amavis:[127.0.0.1]:10024

Configure master.cf

cd /usr/local/etc/postfix
pico master.cf

### postfix master.cf files ###
smtp-amavis unix -      -       n     -       2  smtp
-o smtp_data_done_timeout=1200
-o disable_dns_lookups=yes

127.0.0.1:10025 inet n  -       n     -       -  smtpd
-o content_filter=
-o local_recipient_maps=  
-o relay_recipient_maps=
-o smtpd_restriction_classes=
-o smtpd_client_restrictions=
-o smtpd_helo_restrictions=
-o smtpd_sender_restrictions=
-o smtpd_recipient_restrictions=permit_mynetworks,reject
-o mynetworks=127.0.0.0/8
-o strict_rfc821_envelopes=yes
#
smtp      inet  n       -       n       -       -       smtpd
## this line below is for SPF
policy  unix  -       n       n       -       -       spawn
user=nobody argv=/usr/local/sbin/postfix-policyd-spf