From: Eli Klein (no email)
Date: Fri Aug 09 2002 - 21:55:57 EDT
greetings once again, i've run into something strange here.
i've been getting reports from one major client who receives many e-mails
with large attachments. These reports indicate that messages are being
sent through over and over and over. The same e-mail, 20-30 times.
i didn't think much of it, because it just seemed more likely that someone
would get impatient with the delay and send the e-mail again to "be sure".
then i started seeing these types of errors in my mailq:
(lost connection with 127.0.0.1[127.0.0.1] while sending end of data --
message may be sent more than once)
My configuration is Solaris 8, Postfix 1.1.11 and Amavisd-new (20020517),
here's the relevant log output based on the most recent queue entry I
have:
Aug 9 19:34:43 relay1 postfix/smtpd[6604]: [ID 197553 mail.info]
E9B0CB5E13: client=unknown[63.87.252.35]
Aug 9 19:34:44 relay1 postfix/cleanup[6641]: [ID 197553 mail.info]
E9B0CB5E13: message-id=
Aug 9 19:34:44 relay1 postfix/qmgr[1535]: [ID 197553 mail.info]
E9B0CB5E13: from=<>, size=6450, nrcpt=1 (queue
active)
Aug 9 19:34:44 relay1 amavis[7444]: [ID 702911 mail.info] SMTP-in
[66.37.143.28] /var/amavis/amavis-20020809T192723-07444:
<> -> <>
Aug 9 19:34:44 relay1 amavis[7444]: [ID 702911 mail.info] Checking:
<> -> <>
Aug 9 19:35:22 relay1 postfix/smtp[7227]: [ID 197553 mail.info]
E9B0CB5E13: to=<>, relay=127.0.0.1[127.0.0.1],
delay=39, status=deferred (lost connection with 127.0.0.1[127.0.0.1] while
sending end of data -- message may be sent more than once)
postconf -n:
access_map_reject_code = 550
alias_maps = hash:/etc/postfix/aliases
allow_untrusted_routing = no
body_checks = pcre:/etc/postfix/windows_executables
command_directory = /usr/local/postfix/sbin
config_directory = /etc/postfix
content_filter = smtp-amavis:[127.0.0.1]:10024
daemon_directory = /usr/local/postfix/libexec/postfix
debug_peer_level = 2
disable_vrfy_command = yes
header_checks = pcre:/etc/postfix/header_checks
inet_interfaces = $myhostname
invalid_hostname_reject_code = 501
local_recipient_maps = $alias_maps unix:passwd.byname
mail_owner = postfix
mailq_path = /usr/local/postfix/bin/mailq
manpage_directory = /usr/local/postfix/man
maps_rbl_domains = rbl-plus.mail-abuse.org relays.ordb.org
maps_rbl_reject_code = 550
message_size_limit = 51200000
mydestination = $myhostname,
localhost.$mydomain,firstlink.com,wantjava.com,denveronline.net,denveronline.com,pager.firstlink.com,relay.firstlink.com
mydomain = firstlink.com
myhostname = relay1.firstlink.com
mynetworks = $config_directory/networks
mynetworks_style = subnet
myorigin = $myhostname
newaliases_path = /usr/local/postfix/bin/newaliases
queue_directory = /var/spool/postfix
readme_directory = /usr/local/postfix/readme
reject_code = 550
relay_domains = $config_directory/relay-domains
relay_domains_reject_code = 550
sample_directory = /usr/local/postfix/etc/postfix/sample
sendmail_path = /usr/local/postfix/sbin/sendmail
setgid_group = postdrop
smtpd_banner = $myhostname ESMTP by First Link
smtpd_client_restrictions = reject_maps_rbl, check_client_access
hash:/etc/postfix/access, permit_mynetworks
smtpd_error_sleep_time = 5
smtpd_etrn_restrictions =
smtpd_hard_error_limit = 100
smtpd_helo_required = no
smtpd_helo_restrictions =
smtpd_history_flush_threshold = 100
smtpd_noop_commands =
smtpd_recipient_limit = 1000
smtpd_recipient_restrictions = permit_mynetworks,check_relay_domains
smtpd_sender_restrictions =
smtpd_soft_error_limit = 10
smtpd_timeout = 300s
soft_bounce = no
strict_rfc821_envelopes = yes
transport_maps = hash:/usr/local/postfix/etc/postfix/transport
unknown_address_reject_code = 450
unknown_client_reject_code = 450
unknown_hostname_reject_code = 450
virtual_maps = hash:/etc/postfix/virtual
Any help is greatly appreciated. Thank you!
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