From: Peter Barnwell (no email)
Date: Wed May 01 2002 - 14:19:56 EDT
Hi,
Currently I have my server configured to require that any sending host
has a valid reverse DNS lookup, which has cut down the amount of UCE we
receive a lot. However we have one client who has no reverse lookup, and
insist they have no intention of fixing it.
How have other people found this checking works, should I abandon it and
go back to header checks, or carry on trying to get them to fix it. Or
alternatively could I accept mail from them with no reverse as an
exception; perhaps by putting their domain in 'sender'?
system: Mandrake 8.2, Postfix-1.1.7
postconf -n :-
alias_maps = hash:/etc/aliases
allow_percent_hack = no
command_directory = /usr/sbin
config_directory = /etc/postfix
content_filter = vscan:
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
disable_vrfy_command = yes
header_checks = regexp:/etc/postfix/header_checks
home_mailbox = Maildir/
mail_owner = postfix
mailq_path = /usr/bin/mailq
manpage_directory = /usr/local/man
mydestination =
mynetworks = 127.0.0.0/8
myorigin = mailcentre-whole.co.uk
newaliases_path = /usr/bin/newaliases
queue_directory = /var/spool/postfix
readme_directory = no
recipient_delimiter = +
relay_domains = /etc/postfix/relay_allow
sample_directory = /etc/postfix/examples
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
smtpd_client_restrictions =
smtpd_helo_required = yes
smtpd_helo_restrictions =
smtpd_null_access_lookup_key = <>
smtpd_recipient_restrictions = permit_mynetworks,
reject_unauth_destination
check_sender_access hash:/etc/postfix/sender
reject_unknown_client
permit
smtpd_sender_restrictions =
syslog_facility = local3
transport_maps = mysql:/etc/postfix/transport.cf
unknown_client_reject_code = 554
unknown_hostname_reject_code = 554
virtual_gid_maps = mysql:/etc/postfix/ids.cf
virtual_mailbox_base = /www/virtual_mboxes
virtual_mailbox_maps = mysql:/etc/postfix/aliases.cf
virtual_maps = mysql:/etc/postfix/remote_aliases.cf
virtual_uid_maps = mysql:/etc/postfix/ids.cf
TIA
-- Peter Barnwell Whole Ltd Brinksway House Manor Lane Holmes Chapel Cheshire CW4 8AB Phone : 01477-544771 Fax : 01477 544848 http://www.whole-uk.com The information contained in this email is intended solely for the stated recipient(s) alone. Access to this email by anyone else is unauthorised. If you are not the intended recipient of this email take note that you must not copy, disclose or distribute its contents, as to do so may be deemed unlawful. If you have received this email in error you must notify us immediately by using the reply facility on your email system or by writing to: The Company Secretary, Whole Limited, Manor Business Park, Manor Lane, Holmes Chapel, Cheshire, CA4 8AB. - To unsubscribe, send mail to with content (not subject): unsubscribe postfix-users
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