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Problems Backscatter
\ Vida Luz Arista (14 Jun 2007)
. \ mouss (14 Jun 2007)

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Subject:	Problems Backscatter
Group:	Postfix-users
From:	Vida Luz Arista
Date:	14 Jun 2007

Hi All,

I have problems in my postfix, I have backscatter, in a period of 3
minutes Ihave 3000 messages with destiny to AOL o bellsouth.net.

My server accept mail of use rof my network this server is an relay
for my networks

My postconf -n
=============

alias_maps = hash:/etc/postfix/aliases
anvil_rate_time_unit = 60s
append_dot_mydomain = no
biff = no
body_checks = pcre:/etc/postfix/body_checks
bounce_queue_lifetime = 1d
config_directory = /etc/postfix
content_filter = smtp-amavis:[127.0.0.1]:10024
default_destination_concurrency_limit = 20
default_process_limit = 3024
delay_warning_time = 4h
disable_dns_lookups = no
disable_vrfy_command = yes
header_checks = pcre:/etc/postfix/header_checks
ignore_mx_lookup_error = no
initial_destination_concurrency = 20
local_destination_concurrency_limit = 2
local_recipient_maps =
mail_spool_directory = /var/spool/mail
mailbox_size_limit = 0
maps_rbl_domains = opm.blitzed.org, list.dsbl.org,
sbl.spamhaus.org, relays.mail-abuse.org,
cbl.abuseat.org
maximal_backoff_time = 140400
maximal_queue_lifetime = 4d
message_size_limit = 30720000
minimal_backoff_time = 14400
mydestination = hash:/etc/postfix/dominios
mydomain = cablenet.com.ni
myhostname = mydominio.com
mynetworks = /etc/postfix/network_table
myorigin = $mydomain
qmgr_message_active_limit = 10000
qmgr_message_recipient_limit = 10000
queue_minfree = 0
queue_run_delay = 1000
recipient_delimiter = +
relay_domains = $mydestination hash:/etc/postfix/dominios
setgid_group = postdrop
smtp_host_lookup = dns
smtpd_banner = $myhostname ESMTP
smtpd_client_connection_count_limit = 10
smtpd_client_connection_rate_limit = 50
smtpd_client_message_rate_limit = 50
smtpd_client_recipient_rate_limit = 50
smtpd_client_restrictions = hash:/etc/postfix/access,
permit_sasl_authenticated, reject_rbl_client
domain-name, reject_unauth_destination,
reject_unlisted_recipient, reject_unlisted_sender
smtpd_delay_reject = no
smtpd_error_sleep_time = 0
smtpd_hard_error_limit = 3
smtpd_helo_required = yes
smtpd_recipient_limit = 10
smtpd_recipient_restrictions = hash:/etc/postfix/access,
permit_mynetworks, reject_unauth_destination,
reject_unknown_recipient_domain, reject_unlisted_recipient,
reject_unlisted_sender reject_unverified_recipient,
check_policy_service inet:127.0.0.1:10023, permit
smtpd_reject_unlisted_sender = yes
smtpd_sender_restrictions = permit_mynetworks
check_sender_access hash:/etc/postfix/sender_access
reject_unknown_sender_domain reject_unlisted_recipient,
reject_unlisted_sender, warn_if_reject
reject_unverified_sender, unverified_sender_reject_code = 550
smtpd_soft_error_limit = 1
soft_bounce = no
strict_rfc821_envelopes = yes
transport_maps = hash:/etc/postfix/transport
transport_retry_time = 120s
virtual_alias_maps = hash:/etc/postfix/virtusertable
virtual_minimum_uid = 100

I need you suggestions,

Regards

I have message such as:

D5726524F23* 1223 Wed Jun 13 19:05:04 ecnineqw
lhalle
lhalleck
lhallen
lhaller

7857E52584F* 1100 Wed Jun 13 19:07:20 valedictorytoe
randyelee
randyf_hall

4A98A524DE9* 1067 Wed Jun 13 19:04:48 piexeqm
mago2

E6EEB524F38* 1129 Wed Jun 13 19:05:07 brandenburgkwa
jwilk_wp

6C501525A63* 1227 Wed Jun 13 19:07:53 nipai
k_gog
k_gogate