Right I am tyring to get postfix with amavisd-ng to probe and stop virus and
spam mail.
However it seems that localhost is going through without scrutiny and
some incoming e-mail is not being stopped.
postconf -n
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
body_checks = regexp:/etc/postfix/body_checks
broken_sasl_auth_clients = yes
command_directory = /usr/sbin
config_directory = /etc/postfix
content_filter = amavisfeed:[127.0.0.1]:10024
cyrus_sasl_config_path = /usr/contrib/lib/sasl2/
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
debug_peer_level = 2
debug_peer_list = nk.ca
disable_vrfy_command = yes
fast_flush_domains = $relay_domains, nk.ca, nl2k.ab.ca
hash_queue_names = " " defer deferred
header_checks = regexp:/etc/postfix/header_checks
html_directory = /var/www/docs/postfix
in_flow_delay = 1s
inet_interfaces = all
local_destination_concurrency_limit = 2
local_recipient_maps = unix:passwd.byname $alias_maps
local_transport = local
mail_owner = postfix
mail_spool_directory = /var/mail
mailbox_command = /usr/bin/procmail
mailbox_size_limit = 104857600
mailq_path = /usr/bin/mailq
manpage_directory = /usr/share/man
message_size_limit = 21000000
milter_protocol = 6
mydestination = $myhostname, localhost.$mydomain, localhost, www.$mydomain,
ns1.$mydomain, ftp.$mydomain, secure.$mydomain, localhost.nl2k.ab.ca ,
localhost.nk.ca , $mydomain, mail.nk.ca, www.nk.ca, nk.ca, valid.nk.ca,
secure.nl2k.ab.ca, dspam.nk.ca, dspam.netknow.ca, dspam.nl2k.ca,
dspam.nl2k.ab.ca, edmontonab.ca, internetedmonton.ca,
edmontoninternetserviceprovider.ca, internetalberta.ca, albertainternet.ca,
albertainternetserviceprovider.ca, netknow.ca, nl2k.ca, nl2k.ab.ca,
valid.nl2k.ab.ca, secure.nl2k.ab.ca, mail.nl2k.ab.ca, home.nl2k.ab.ca
mydomain = nk.ca
myhostname = doctor.nl2k.ab.ca
mynetworks = 204.209.81.0/24, 208.118.93.0/24, 208.118.94.0/24, 127.0.0.0/8
mynetworks_style = host
myorigin = $myhostname
newaliases_path = /usr/bin/newaliases
queue_directory = /var/spool/postfix
readme_directory = no
relay_domains = $virtual_alias_domains
relay_recipient_maps = hash:/etc/postfix/access
sample_directory = /etc/postfix
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
smtp_tls_CAfile = /etc/postfix/cacert.pem
smtp_tls_loglevel = 2
smtp_tls_security_level = may
smtp_tls_session_cache_database = btree:/var/lib/postfix/smtp_tls_session_cache
smtpd_banner = $myhostname ESMTP $mail_name ($mail_version)
smtpd_client_restrictions = check_client_access hash:/etc/postfix/access
smtpd_data_restrictions = reject_unauth_pipelining, permit
smtpd_error_sleep_time = 0
smtpd_helo_required = yes
smtpd_recipient_restrictions = reject_invalid_hostname,
reject_non_fqdn_hostname, reject_non_fqdn_sender,
reject_non_fqdn_recipient, reject_unknown_sender_domain,
reject_unknown_recipient_domain,
reject_unverified_recipient, permit_mynetworks,
permit_sasl_authenticated, reject_unauth_destination,
check_recipient_access pcre:/etc/postfix/recipient_checks.pcre,
reject_rbl_client sbl-xbl.spamhaus.org, reject_rbl_client
zen.spamhaus.org, reject_rbl_client dnsbl.njabl.org,
reject_rbl_client combined.njabl.org, reject_rbl_client
dev.null.dk, reject_rbl_client flowgoaway.com,
reject_rbl_client relays.visi.com, reject_rbl_client
bl.spamcop.net, reject_rbl_client
hostkarma.junkemailfilter.com=127.0.0.2, permit
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = mail.nk.ca
smtpd_sasl_path = smtpd
smtpd_tls_CAfile = /etc/postfix/cacert.pem
smtpd_tls_auth_only = yes
smtpd_tls_cert_file = /etc/postfix/mail.nk.ca.2009.cert.pem
smtpd_tls_key_file = /etc/postfix/mail.nk.ca.2009.key.pem
smtpd_tls_received_header = yes
smtpd_tls_security_level = may
smtpd_tls_session_cache_database =
btree:/var/lib/postfix/smtpd_tls_session_cache
smtpd_use_tls = yes
soft_bounce = yes
strict_rfc821_envelopes = yes
tls_random_source = dev:/dev/urandom
transport_maps = hash:/etc/postfix/transport
unknown_local_recipient_reject_code = 550
virtual_alias_domains = <surpressed>
virtual_alias_maps = hash:/etc/postfix/virtual
And the master.cf is
#
# Postfix master process configuration file. For details on the format
# of the file, see the Postfix master(5) manual page.
#
# ==========================================================================
# service type private unpriv chroot wakeup maxproc command + args
# (yes) (yes) (yes) (never) (100)
# ==========================================================================
smtp inet n - n - - smtpd
-o smtpd_proxy_filter=127.0.0.1:10125
-o content_filter=amavisfeed:[120.0.0.1]:10024
## -o cleanup_service_name=pre-cleanup
127.0.0.1:25 inet n - n - - smtpd
-o smtpd_proxy_filter=127.0.0.1:10125
-o content_filter=amavisfeed:[120.0.0.1]:10024
# -o receive_override_options=no_address_mappings
204.209.81.1:25 inet n - n - - smtpd
-o smtpd_proxy_filter=127.0.0.1:10125
-o content_filter=amavisfeed:[120.0.0.1]:10024
# -o receive_override_options=no_address_mappings
amavisfeed unix - - n - 2 smtp
-o smtp_data_done_timeout=1200
-o smtp_send_xforward_command=yes
-o disable_dns_lookups=yes
-o max_use=20
##pre-cleanup unix n - n - 0 cleanup
## -o virtual_alias_maps=
##cleanup unix n - n - 0 cleanup
## -o mime_header_checks= 1
## -o nested_header_checks= 2
## -o body_checks= 3
## -o header_checks= 4
submission inet n - n - - smtpd
-o smtpd_etrn_restrictions=reject
-o smtpd_client_restrictions=permit_sasl_authenticated,reject
## -o cleanup_service_name=pre-cleanup
smtps inet n - n - - smtpd
-o smtpd_tls_wrappermode=yes -o smtpd_sasl_auth_enable=yes
#submission inet n - n - - smtpd
# -o smtpd_etrn_restrictions=reject
# -o smtpd_enforce_tls=yes -o smtpd_sasl_auth_enable=yes
#628 inet n - n - - qmqpd
spamchk unix - n n - 10 pipe
flags=Rq user=milter argv=/usr/contrib/bin/spamchk -f ${sender} --
${recipient}
pickup fifo n - n 60 1 pickup
-o content_filter=
## -o cleanup_service_name=pre-cleanup
cleanup unix n - n - 0 cleanup
qmgr fifo n - n 300 1 qmgr
#qmgr fifo n - n 300 1 oqmgr
tlsmgr unix - - n 1000? 1 tlsmgr
rewrite unix - - n - - trivial-rewrite
bounce unix - - n - 0 bounce
defer unix - - n - 0 bounce
trace unix - - n - 0 bounce
verify unix - - n - 1 verify
flush unix n - n 1000? 0 flush
proxymap unix - - n - - proxymap
smtp unix - - n - - smtp
# When relaying mail as backup MX, disable fallback_relay to avoid MX loops
relay unix - - n - - smtp
## -o fallback_relay=
# -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
showq unix n - n - - showq
error unix - - n - - error
discard unix - - n - - discard
local unix - n n - - local
virtual unix - n n - - virtual
lmtp unix - - n - - lmtp
-o smtpd_proxy_filter=127.0.0.1:10125
#amavisfeed unix - - n - 2 lmtp
# -o lmtp_data_done_timeout=1200
# -o lmtp_send_xforward_command=yes
# -o disable_dns_lookups=yes
# -o max_use=20
anvil unix - - n - 1 anvil
scache unix - - n - 1 scache
spamassassin unix - n n - - pipe
user=milter argv=/usr/contrib/bin/spamc -e /usr/sbin/sendmail -oi -f ${sender}
${recipient}
# AV scan filter (used by content_filter)
scan unix - - n - 16 smtp
-o smtp_send_xforward_command=yes
-o smtp_enforce_tls=no
127.0.0.1:10025 inet n - n - - smtpd
-o content_filter=
-o smtpd_delay_reject=no
-o smtpd_client_restrictions=permit_mynetworks,reject
-o smtpd_helo_restrictions=
-o smtpd_sender_restrictions=
-o smtpd_recipient_restrictions=permit_mynetworks,reject
-o smtpd_data_restrictions=reject_unauth_pipelining
-o smtpd_end_of_data_restrictions=
-o smtpd_restriction_classes=
-o mynetworks=127.0.0.0/8
-o smtpd_error_sleep_time=0
-o smtpd_soft_error_limit=1001
-o smtpd_hard_error_limit=1000
-o smtpd_client_connection_count_limit=0
-o smtpd_client_connection_rate_limit=0
-o
receive_override_options=no_header_body_checks,no_unknown_recipient_checks,no_milters
-o local_header_rewrite_clients=
# For injecting mail back into postfix from the filter
127.0.0.1:10126 inet n - n - 16 smtpd
-o content_filter=spamchk:dummy
-o smtpd_proxy_filter=
-o
receive_override_options=no_unknown_recipient_checks,no_header_body_checks
-o smtpd_helo_restrictions=
-o smtpd_client_restrictions=
-o smtpd_sender_restrictions=
-o smtpd_recipient_restrictions=permit_mynetworks,reject
-o mynetworks_style=host
-o mynetworks=127.0.0.1
-o smtpd_authorized_xforward_hosts=127.0.0.0/8
# -o smtpd_delay_reject=no
# -o smtpd_client_restrictions=permit_mynetworks,reject
# -o smtpd_helo_restrictions=
# -o smtpd_sender_restrictions=
# -o smtpd_recipient_restrictions=permit_mynetworks,reject
# -o smtpd_data_restrictions=reject_unauth_pipelining
# -o smtpd_end_of_data_restrictions=
# -o smtpd_restriction_classes=
# -o mynetworks=127.0.0.0/8, 204.209.81.0/24, 208.118.93.0/24,
# -o smtpd_error_sleep_time=0
# -o smtpd_soft_error_limit=1001
# -o smtpd_hard_error_limit=1000
# -o smtpd_client_connection_count_limit=0
# -o smtpd_client_connection_rate_limit=0
# -o
receive_override_options=no_header_body_checks,no_unknown_recipient_checks,no_milters
# -o local_header_rewrite_clients=
#
# ====================================================================
# Interfaces to non-Postfix software. Be sure to examine the manual
# pages of the non-Postfix software to find out what options it wants.
#
# Many of the following services use the Postfix pipe(8) delivery
# agent. See the pipe(8) man page for information about ${recipient}
# and other message envelope options.
# ====================================================================
#
# maildrop. See the Postfix MAILDROP_README file for details.
# Also specify in main.cf: maildrop_destination_recipient_limit=1
#
maildrop unix - n n - - pipe
flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}
#
# The Cyrus deliver program has changed incompatibly, multiple times.
#
old-cyrus unix - n n - - pipe
flags=R user=cyrus argv=/cyrus/bin/deliver -e -m ${extension} ${user}
# Cyrus 2.1.5 (Amos Gouaux)
# Also specify in main.cf: cyrus_destination_recipient_limit=1
cyrus unix - n n - - pipe
user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user}
#
# See the Postfix UUCP_README file for configuration details.
#
uucp unix - n n - - pipe
flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
#
# Other external delivery methods.
#
ifmail unix - n n - - pipe
flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
bsmtp unix - n n - - pipe
flags=Fq. user=foo argv=/usr/local/sbin/bsmtp -f $sender $nexthop $recipient
retry unix - - n - - error
proxywrite unix - - n - 1 proxymap
#smtp inet n - n - 1 postscreen
#smtpd pass - - n - - smtpd
#dnsblog unix - - n - 0 dnsblog
Am I missing something?
--
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