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SOLVED - Fresh ispcp mailserver is abused from outside?
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nuno Offline
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SOLVED - Fresh ispcp mailserver is abused from outside?
Hello folks,

I have a VPS _ Linode and the Linode folks are reciving report that our ips are used from outside or something, so I did a ISPCP 1.0.7 fresh install in another linode and they are recive more reports that my new server and new ip are AGAIN with same issue:

Linode folks says:
"
Unfortunately I am not 100% sure on the root cause, but the headers seem to indicate that the e-mail was relayed through your Linode:

====
Received: from web2.mydomain.com (ns2.mydomain.com [xx.xxx.xxx.xxxx])
by mail10.wannafind.dk (Postfix) with ESMTP id 651D02720030
for <x>; Wed, 7 Sep 2011 11:22:55 +0200 (CEST)
Received: from User (tmo-096-130.customers.d1-online.com [80.187.96.130])
by web2.mydomain.com (Postfix) with ESMTPA id F351B48B94;
Wed, 7 Sep 2011 05:22:42 -0400 (EDT)
====
"

Any advice?


The main.cf
////////


# Postfix directory settings; These are critical for normal Postfix MTA functionallity
command_directory = /usr/sbin
daemon_directory = /usr/lib/postfix

# Some common configuration parameters
inet_interfaces = all
mynetworks_style = host

myhostname = web2.mydomain.com
mydomain = web2.mydomain.com.com.local
myorigin = $myhostname

smtpd_banner = $myhostname
setgid_group = postdrop

# Receiving messages parameters
mydestination = $myhostname, $mydomain
append_dot_mydomain = no
append_at_myorigin = yes
local_transport = local
virtual_transport = virtual
transport_maps = hash:/etc/postfix/ispcp/transport
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases

# Delivering local messages parameters
mail_spool_directory = /var/mail

# Mailboxquota
# => 0 for unlimited
# => 104857600 for 100 MB
mailbox_size_limit = 0
mailbox_command = procmail -a "$EXTENSION"

# Message size limit
# => 0 for unlimited
# => 104857600 for 100 MB
message_size_limit = 0

biff = no
recipient_delimiter = +

local_destination_recipient_limit = 1
local_recipient_maps = unix:passwd.byname $alias_database

# ispCP Autoresponder parameters
ispcp-arpl_destination_recipient_limit = 1

# Delivering virtual messages parameters
virtual_mailbox_base = /var/mail/virtual
virtual_mailbox_limit = 0

virtual_mailbox_domains = hash:/etc/postfix/ispcp/domains
virtual_mailbox_maps = hash:/etc/postfix/ispcp/mailboxes

virtual_alias_maps = hash:/etc/postfix/ispcp/aliases

virtual_minimum_uid = 1000
virtual_uid_maps = static:1000
virtual_gid_maps = static:8

# SASL paramters
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
smtpd_sasl_local_domain =
broken_sasl_auth_clients = yes

smtpd_helo_required = yes

smtpd_helo_restrictions = permit_mynetworks,
permit_sasl_authenticated,
reject_invalid_helo_hostname,
reject_non_fqdn_helo_hostname

smtpd_sender_restrictions = reject_non_fqdn_sender,
reject_unknown_sender_domain,
permit_mynetworks,
permit_sasl_authenticated

smtpd_recipient_restrictions = reject_non_fqdn_recipient,
reject_unknown_recipient_domain,
permit_mynetworks,
permit_sasl_authenticated,
reject_unauth_destination,
reject_unlisted_recipient,
check_policy_service inet:127.0.0.1:12525,
check_policy_service inet:127.0.0.1:10023,
permit

smtpd_data_restrictions = reject_multi_recipient_bounce,
reject_unauth_pipelining

# TLS parameters; activate, if avaible/used
#smtpd_tls_security_level = may
#smtpd_tls_loglevel = 2
#smtpd_tls_cert_file = /etc/postfix/cert.pem
#smtpd_tls_key_file = /etc/postfix/privkey.pem
#smtpd_tls_auth_only = no
#smtpd_tls_received_header = yes

# AMaViS parameters; activate, if available/used
#content_filter = amavis:[127.0.0.1]:10024

# Quota support; activate, if available/used
#virtual_create_maildirsize = yes
#virtual_mailbox_extended = yes
#virtual_mailbox_limit_maps = mysql:/etc/postfix/mysql_virtual_mailbox_limit_maps.cf
#virtual_mailbox_limit_override = yes
#virtual_maildir_limit_message = "The user you're trying to reach is over mailbox quota."
#virtual_overquota_bounce = yes

EDIT___
Debian 6.0.2 and stablem dotdeb ports
(This post was last modified: 09-13-2011 08:09 AM by nuno.)
09-08-2011 01:39 AM
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