the following is my main.cf
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relay_recipient_maps =hash:/etc/postfix/relay_recipients
mime_header_checks = pcre:/etc/postfix/mime_header_checks
disable_dns_lookups = no
mailbox_command =
mailbox_transport =
strict_8bitmime = no
disable_mime_output_conversion = no
smtpd_sender_restrictions = hash:/etc/postfix/access
smtpd_client_restrictions =
smtpd_helo_required = yes
disable_vrfy_command=yes
smtpd_helo_restrictions =
strict_rfc821_envelopes = no
smtpd_recipient_restrictions =
reject_non_fqdn_recipient
reject_non_fqdn_sender
reject_unknown_sender_domain
reject_unknown_recipient_domain
permit_mynetworks
reject_unauth_destination
check_recipient_access hash:/etc/postfix/roleaccount_exceptions
reject_non_fqdn_hostname
reject_invalid_hostname
check_client_access cidr:/etc/postfix/spam_cidr
check_helo_access pcre:/etc/postfix/helo_checks
reject_rbl_client zen.spamhaus.org
reject_rhsbl_sender dsn.rfc-ignorant.org
permit
smtpd_data_restrictions =
reject_multi_recipient_bounce
reject_unauth_pipelining
permit
is there anything missed out in the above!
appreciate ur advices
thanks