On Tue, 9 Mar 2010 12:27:25 -0500
Victor Duchovni <victor.ducho...@morganstanley.com> replied:
>On Mon, Mar 08, 2010 at 06:43:54PM -0500, Jerry wrote:
>
>> From time to time, when mail is being sent internally from one user
>> to another on the same network, I see this warning message in the
>> mail-log:
>>
>> warning: network_biopair_interop: error reading 5 bytes from the
>> network: Connection reset by peer
>
>This is completely out of context. What logging by the same smtp(8)
>delivery agent process id appears shortly before and shortly after this
>log entry.
>
>> I don't understand what it means. The mail is delivered successfully,
>
>In the same delivery attempt, or subsequent, or is delivery retried
>immediately without TLS because TLS is opportunistic?
>
>> so I guess it is harmless. I just wanted to know why it is appearing
>> to begin with.
>
>The TLS session is aborted by the other side abruptly, at what stage in
>the SMTP protocol does this happen? What software is on the other side?
>...
>
>We are not psychic. Please provide as much detail as possible if you
>are looking for a concrete answer.
Sorry Victor. The warning message only started after I updated to
FreeBSD-7.3 PRERELEASE. I have not made any modifications to Postfix in
months.
First, I just sent two messages in quick succession. This is the
mail-log output:
Mar 9 18:47:54 scorpio postfix/smtpd[64370]: connect from
xxxxxx.my_domain.com[192.168.1.101]
Mar 9 18:47:55 scorpio postfix/smtpd[64370]: 4019722825:
client=xxxxxx.my_domain.com[192.168.1.101], sasl_method=CRAM-MD5,
sasl_username=u...@my_domain.com
Mar 9 18:47:55 scorpio postfix/cleanup[64373]: 4019722825:
message-id=<20100309184735.71149...@xxxxxx.my_domain.com>
Mar 9 18:47:55 scorpio postfix/qmgr[1317]: 4019722825:
from=<u...@my_domain.com>, size=1934, nrcpt=1 (queue active)
Mar 9 18:47:55 scorpio postfix/smtpd[64370]: 60C3F22838:
client=xxxxxx.my_domain.com[192.168.1.101], sasl_method=CRAM-MD5,
sasl_username=u...@my_domain.com
Mar 9 18:47:55 scorpio postfix/cleanup[64373]: 60C3F22838:
message-id=<20100309184752.57e08...@xxxxxx.my_domain.com>
Mar 9 18:47:55 scorpio postfix/qmgr[1317]: 60C3F22838:
from=<u...@my_domain.com>, size=1943, nrcpt=1 (queue active)
Mar 9 18:47:55 scorpio postfix/smtpd[64370]: warning: network_biopair_interop:
error reading 5 bytes from the network: Connection reset by peer
Mar 9 18:47:55 scorpio postfix/smtpd[64370]: disconnect from
xxxxxx.my_domain.com[192.168.1.101]
Mar 9 18:47:57 scorpio postfix/smtp[64374]: 4019722825:
to=<beers...@spamco.net>, relay=smtp.gmail.com[74.125.43.109]:25, delay=2.4,
delays=0.12/0.03/1.5/0.75, dsn=2.0.0, status=sent (250 2.0.0 OK 1268178477
13sm2626616bwz.3)
Mar 9 18:47:57 scorpio postfix/qmgr[1317]: 4019722825: removed
Mar 9 18:47:57 scorpio postfix/smtp[64375]: 60C3F22838:
to=<blabla...@yahoo.com>, relay=smtp.gmail.com[209.85.129.109]:25, delay=2.4,
delays=0.11/0.03/1.4/0.9, dsn=2.0.0, status=sent (250 2.0.0 OK 1268178477
31sm12147319fkt.47)
Mar 9 18:47:57 scorpio postfix/qmgr[1317]: 60C3F22838: removed
This is the output of postfinger:
postfinger - postfix configuration on Tue Mar 9 18:13:49 EST 2010
version: 1.30
Warning: postfinger output may show private configuration information,
such as ip addresses and/or domain names which you do not want to show
to the public. If this is the case it is your responsibility to modify
the output to hide this private information. [Remove this warning with
the --nowarn option.]
--System Parameters--
mail_version = 2.7-20100117
hostname = scorpio.seibercom.net
uname = FreeBSD scorpio.seibercom.net 7.3-PRERELEASE FreeBSD 7.3-PRERELEASE #0:
Tue Mar 2 08:05:24 EST 2010
ger...@scorpio.seibercom.net:/usr/obj/usr/src/sys/SCORPIO i386
--Packaging information--
looks like this postfix comes from BSD package: postfix-current-2.7.20100117,4
--Mailbox locking methods--
flock fcntl dotlock
--Supported Lookup tables--
btree cidr environ hash internal mysql pcre proxy regexp static tcp unix
--main.cf non-default parameters--
alias_database = hash:/usr/local/etc/postfix/aliases
alias_maps = hash:/usr/local/etc/postfix/aliases
broken_sasl_auth_clients = yes
command_directory = /usr/local/sbin
daemon_directory = /usr/local/libexec/postfix
delay_warning_time = 2h
disable_vrfy_command = yes
mailq_path = /usr/local/bin/mailq
milter_default_action = accept
mydestination =
mynetworks = 127.0.0.0/8, 192.168.1.0/24
myorigin = $mydomain
newaliases_path = /usr/local/bin/newaliases
recipient_delimiter = +
sender_dependent_relayhost_maps =
mysql:/usr/local/etc/postfix/mysql-sender_relay
sendmail_path = /usr/local/sbin/sendmail
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = mysql:/usr/local/etc/postfix/mysql-sasl_passwd
smtp_sasl_security_options = noanonymous
smtp_sender_dependent_authentication = yes
smtp_tls_CAfile = /usr/local/etc/postfix/certs/cacert.pem
smtp_tls_CApath = /usr/local/etc/postfix/certs
smtp_tls_note_starttls_offer = yes
smtp_tls_security_level = may
smtp_tls_session_cache_database = btree:/var/db/postfix/smtp_tls_session_cache
smtpd_authorized_verp_clients = $mynetworks
smtpd_banner = $myhostname ESMTP $mail_name ($mail_version)
smtpd_client_restrictions = permit_mynetworks reject_plaintext_session
check_policy_service unix:private/spf-policy reject
smtpd_milters = unix:/var/run/clamav/clmilter.sock
smtpd_recipient_restrictions = permit_sasl_authenticated permit_mynetworks
reject_unauth_destination check_policy_service unix:private/spf-policy reject
smtpd_sasl_auth_enable = yes
smtpd_sasl_authenticated_header = yes
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_security_options = noanonymous, noplaintext
smtpd_sasl_tls_security_options = noanonymous
smtpd_tls_CAfile = /usr/local/etc/postfix/certs/cacert.pem
smtpd_tls_cert_file = /usr/local/etc/postfix/certs/postfix-cert.pem
smtpd_tls_key_file = /usr/local/etc/postfix/certs/postfix-key.pem
smtpd_tls_received_header = yes
smtpd_tls_security_level = may
smtpd_tls_session_cache_database = btree:/var/db/postfix/smtpd_tls_session_cache
transport_maps = mysql:/usr/local/etc/postfix/mysql-transport
virtual_gid_maps = static:1002
virtual_mailbox_base = /var/mail/vhost
virtual_mailbox_domains = mysql:/usr/local/etc/postfix/mysql-domains
virtual_mailbox_maps = mysql:/usr/local/etc/postfix/mysql-vmailbox
virtual_transport = dovecot
virtual_uid_maps = static:1002
--master.cf--
smtp inet n - n - - smtpd
submission inet n - n - - smtpd
-o smtpd_tls_security_level=encrypt
-o smtpd_sasl_auth_enable=yes
-o smtpd_client_restrictions=permit_sasl_authenticated,reject
-o milter_macro_daemon_name=ORIGINATING
pickup fifo n - n 60 1 pickup
cleanup unix n - n - 0 cleanup
qmgr fifo n - n 300 1 qmgr
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
proxywrite unix - - n - 1 proxymap
smtp unix - - n - - smtp
relay unix - - n - - smtp
-o smtp_fallback_relay=
showq unix n - n - - showq
error unix - - n - - error
retry unix - - n - - error
discard unix - - n - - discard
local unix - n n - - local
virtual unix - n n - - virtual
lmtp unix - - n - - lmtp
anvil unix - - n - 1 anvil
scache unix - - n - 1 scache
dovecot unix - n n - - pipe
flags=DRhu user=vmail:vmail argv=/usr/local/libexec/dovecot/deliver -f
${sender}
-d ${us...@${nexthop}
spf-policy unix - n n - 0 spawn
user=nobody argv=/usr/local/sbin/postfix-policyd-spf-perl
--Specific file and directory permissions--
drwx-wx--- 2 postfix maildrop 512 Mar 9 03:08 /var/spool/postfix/maildrop
drwx--x--- 2 postfix maildrop 512 Mar 8 19:00 /var/spool/postfix/public
total 0
srw-rw-rw- 1 postfix maildrop 0 Mar 8 19:00 cleanup
srw-rw-rw- 1 postfix maildrop 0 Mar 8 19:00 flush
prw--w--w- 1 postfix maildrop 0 Mar 8 19:00 pickup
prw--w--w- 1 postfix maildrop 0 Mar 8 19:00 qmgr
srw-rw-rw- 1 postfix maildrop 0 Mar 8 19:00 showq
drwx------ 2 postfix wheel 512 Mar 8 19:00 /var/spool/postfix/private
total 0
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 anvil
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 bounce
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 defer
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 discard
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 dovecot
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 error
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 lmtp
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 local
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 proxymap
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 proxywrite
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 relay
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 retry
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 rewrite
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 scache
srw-rw-rw- 1 postfix wheel 0 Jul 8 2009 scan
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 smtp
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 spf-policy
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 tlsmgr
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 trace
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 verify
srw-rw-rw- 1 postfix wheel 0 Mar 8 19:00 virtual
-rwxr-sr-x 1 root maildrop 165201 Mar 4 22:46 /usr/local/sbin/postdrop
-rwxr-sr-x 1 root maildrop 177746 Mar 4 22:46 /usr/local/sbin/postqueue
--Library dependencies--
/usr/local/libexec/postfix/smtpd:
/usr/local/libexec/postfix/smtpd:
libpcre.so.0 => /usr/local/lib/libpcre.so.0 (0x280da000)
libsasl2.so.2 => /usr/local/lib/libsasl2.so.2 (0x2810c000)
libpam.so.4 => /usr/lib/libpam.so.4 (0x28123000)
libcrypt.so.4 => /lib/libcrypt.so.4 (0x2812a000)
libssl.so.7 => /usr/local/lib/libssl.so.7 (0x28143000)
libcrypto.so.7 => /usr/local/lib/libcrypto.so.7 (0x28189000)
libdb-4.7.so.0 => /usr/local/lib/libdb-4.7.so.0 (0x282d1000)
libmysqlclient.so.16 => /usr/local/lib/mysql/libmysqlclient.so.16
(0x2841e000)
libz.so.4 => /lib/libz.so.4 (0x2848b000)
libm.so.5 => /lib/libm.so.5 (0x2849d000)
libc.so.7 => /lib/libc.so.7 (0x284b2000)
libthr.so.3 => /lib/libthr.so.3 (0x285b7000)
-- end of postfinger output --
I am using Claws-Mail-3.7.5, and have been for awhile now.
If you need further information, please let me know. I have a feeling
thought that this is a FreeBSD-7.3 problem since it never happened
before.
--
Jerry
postfix.u...@yahoo.com
TO REPORT A PROBLEM see http://www.postfix.org/DEBUG_README.html#mail
TO (UN)SUBSCRIBE see http://www.postfix.org/lists.html
At the source of every error which is blamed on the computer you will
find at least two human errors, including the error of blaming it on
the computer.
