RE: Strange Bounce

** At 13:17 +1000 on 04/24/2009, MacShane, Tracy wrote: > > From: owner-postfix-us...@postfix.org > > >> One of my users sent me the attached bounce (note: I've made >> some purely cosmetic changes to the bounce message, to remove >> the user's e-mail address and change FQDNs so that the server >>

Re: postfix alias expansion from include file

On Fri, Apr 24, 2009 at 01:50:38PM +1000, Steve Head wrote: > I'm curious as to how you make all domains non-local? Would you not > then have to list every local mailbox/alias as u...@real.domain as a > virtual entry? Yes, all real mail recipients are in virtual alias domains. -- Vikto

Re: postfix alias expansion from include file

On Thu, Apr 23, 2009 at 09:23:54AM -0400, Victor Duchovni wrote: > On Thu, Apr 23, 2009 at 06:47:53PM +1000, Steve Head wrote: > > > It appears to happen when an address included from a file is an alias to > > a mailbox which is over quota. When it is not an alias, delivery > > continues as I wou

RE: Strange Bounce

> -Original Message- > From: owner-postfix-us...@postfix.org > [mailto:owner-postfix-us...@postfix.org] On Behalf Of Vince Sabio > Sent: Friday, 24 April 2009 1:06 PM > To: postfix-users@postfix.org > Subject: Strange Bounce > > One of my users sent me the attached bounce (note: I've m

Strange Bounce

One of my users sent me the attached bounce (note: I've made some purely cosmetic changes to the bounce message, to remove the user's e-mail address and change FQDNs so that the server doesn't start getting spammed as a result of this posting -- but the content of the bounce has not been materi

RE: How to change the log location

> -Original Message- > From: owner-postfix-us...@postfix.org > [mailto:owner-postfix-us...@postfix.org] On Behalf Of Scott Haneda > Sent: Friday, 24 April 2009 11:54 AM > To: postfix-users@postfix.org > Subject: How to change the log location > > I think I have traveled from one end of th

How to change the log location

I think I have traveled from one end of the internet to the other on this one :) How do you change the log location for postfix? Currently, the log is sent to /var/log/mail.log on Mac OS X. I would like to move it to /opt/local/var/log/postfix/mail.log since that is where postfix is. OS

Re: Postfix Relay help

2009/4/24 Sriram Nyshadham : > This is because the application owners want a setup where they want to relay > mails out ,only through an authenticated > mail server (like postfix). Please don't top-post; trim the quotes down to the relevant parts and address issues below the quotes. Okay, it was

Re: Turning of milter checks

On Thu, Apr 23, 2009 at 6:14 PM, Wietse Venema wrote: > > First, show that Postfix receives mail via port 2525. This requires > a transcript of a telnet session, and the Postfix logging for the > corresponding email delivery. > > Second, show with "ps" command output that port 2525 actually has >

Forwarded bounce messages coming from

When a bounce message from <> is going to an address that is in virtual_alias_maps the sender gets rewritten to , or at least that is what seems to happen. Some mail servers reject MAILER-DAEMON as a sender due to the lack of domain (att.net, comcast.net). How can I control this? What is the pr

Postfix get_service_attr, dovecot, mysql, OS X

Hello, this is a new install of postfix with dovecot and mysql as an auth db for me. I have built everything in /opt/local/. Currently, I have pop, smtp, imap working, auth'ing against mysql. I can pop login, smtp login, and imap login. When I make a telnet conenction to port 25, I am all

RE: Postfix Relay help

This is because the application owners want a setup where they want to relay mails out ,only through an authenticated mail server (like postfix). Thanks, Sriram. -Original Message- From: owner-postfix-us...@postfix.org [mailto:owner-postfix-us...@postfix.org] On Behalf Of Ralf Hildebra

Re: Turning of milter checks

Dan Lists: > I'm running postfix 2.5.6, and I'm using amavis through the milter interface > by setting 'smtpd_milters= inet:[127.0.0.1]:10023'. > I'm trying to set up a different port for skipping amavis checks on email > that has already been checked. In master.cf I have: > > 2525inetn

Re: Plus Addressing

Jeff Grossman a écrit : > On 4/22/2009 12:17 PM, Mark Martinec wrote: >> Jeff, >> >> > One more thing I noticed today also. All messages which have the > "+" in > the e-mail are sent to Dovecot's Deliver twice. So, I receive the > message twice in the folder. All other message

Re: Relay problem: NOQUEUE: reject: RCPT from unknown[::1]:

Wade Williams a écrit : > I'm having a problem where an installation of Mantis bug tracking > software cannot send mail to external addresses. It sends mail to me > (w...@dogwatchsw.com ) fine. However, it > will not send to external email addresses. I've done a lot o

Re: Staying on the safe side while sending mass emails

Harsh Jain a écrit : > Hi, > Thanks guys for your comments. I guess I wasn't clear enough in my > first email. We are not sending SPAM, but mostly a combination of > 1) Invite friends messages. As you probably know, this one is problematic. you need to watch for abuse before it becomes "invite a

Turning of milter checks

I'm running postfix 2.5.6, and I'm using amavis through the milter interface by setting 'smtpd_milters= inet:[127.0.0.1]:10023'. I'm trying to set up a different port for skipping amavis checks on email that has already been checked. In master.cf I have: 2525inetn - n -

Re: Postfix Relay help

* Sriram Nyshadham : > Hi All, > > I need help with the following scenario: > > > 1. We have an application which needs a mail relay to send emails out. Yes. > 2. I am trying to install postfix which acts only as a RELAY server > (without any mailboxes on it) Very simple. > Si

Re: Sender Based Transport Selection

Hey victor, My mails are delivered locally using sendmail. Will this work in this case ? regards, harsh On Fri, Apr 24, 2009 at 2:08 AM, Victor Duchovni < victor.ducho...@morganstanley.com> wrote: > On Fri, Apr 24, 2009 at 02:01:43AM +0600, Harsh Jain wrote: > > > Hey Victor, > > I am n

Postfix Relay help

Hi All, I need help with the following scenario: 1. We have an application which needs a mail relay to send emails out. 2. I am trying to install postfix which acts only as a RELAY server (without any mailboxes on it) Since I also need an authentication mechanism, I would like to

Re: Sender Based Transport Selection

On Fri, Apr 24, 2009 at 02:01:43AM +0600, Harsh Jain wrote: > Hey Victor, > I am not sure I understand. I have gone through postfix filters but its > still not clear how to achieve this. Are you implying using header_checks ? Whatever lets you distinguish one type of message from another. It

Re: recipient MX based routing.

Victor Duchovni wrote: On Thu, Apr 23, 2009 at 09:38:19PM +0200, Erwan David wrote: > Outside of postfix, how would you apply a fix at the naming level > under Linux? You could use a local dns server which would serve another IP address for this name. It is easy to do with unbound and its lo

Re: Sender Based Transport Selection

Hey Victor, I am not sure I understand. I have gone through postfix filters but its still not clear how to achieve this. Are you implying using header_checks ? something like /firstem...@infoaxe.net/ FILTER slow: /secondem...@infoaxe.net/ FILTER fast: regards, harsh > Use FILTER if you are

Re: recipient MX based routing.

On Thu, Apr 23, 2009 at 09:38:19PM +0200, Erwan David wrote: > > Outside of postfix, how would you apply a fix at the naming level > > under Linux? > > You could use a local dns server which would serve another IP address > for this name. It is easy to do with unbound and its local_data. Yes, us

Re: recipient MX based routing.

Le Thu 23/04/2009, Marc Jauvin disait > Victor Duchovni wrote: > >> On Thu, Apr 23, 2009 at 03:15:48PM -0400, Marc Jauvin wrote: >> >>> Note: using iptables to reroute traffic for Godaddy's IP address does work, >>> but it's unlikely to work reliably if they change those IP addresses (or >>> add n

Re: recipient MX based routing.

Victor Duchovni wrote: On Thu, Apr 23, 2009 at 03:15:48PM -0400, Marc Jauvin wrote: Note: using iptables to reroute traffic for Godaddy's IP address does work, but it's unlikely to work reliably if they change those IP addresses (or add new ones to the mix). Well, how would Postfix know it

Re: recipient MX based routing.

On Thu, Apr 23, 2009 at 03:15:48PM -0400, Marc Jauvin wrote: > Note: using iptables to reroute traffic for Godaddy's IP address does work, > but it's unlikely to work reliably if they change those IP addresses (or > add new ones to the mix). Well, how would Postfix know it is Godaddy's SMTP ser

Re: recipient MX based routing.

Wietse Venema wrote: Marc Jauvin: Hi everyone, I'd like to know if there's a way to have different relayhost based on the MX records of the recipient for outgoing mail. I'd like to relay outgoing emails to multiple different domains (all going through a common mail exchange) to a particular r

Re: Sender Based Transport Selection

On Fri, Apr 24, 2009 at 12:46:50AM +0600, Harsh Jain wrote: > It seems to me that postfix can not use different transports based on the > envelope-sender of the mail. This has poor semantics when some of the recipienst are local. This is why the supported sender based routing modifies only the ne

Re: recipient MX based routing.

Marc Jauvin: > Hi everyone, > > I'd like to know if there's a way to have different relayhost based on > the MX records of the recipient for outgoing mail. I'd like to relay > outgoing emails to multiple different domains (all going through a > common mail exchange) to a particular relayhost

Re: recipient MX based routing.

That works, although I would have liked it to be done within postfix. Thanks for the suggestion!!! Victor Duchovni wrote: On Thu, Apr 23, 2009 at 01:52:27PM -0400, Marc Jauvin wrote: I'd like to know if there's a way to have different relayhost based on the MX records of the recipient for

Sender Based Transport Selection

Hi, It seems to me that postfix can not use different transports based on the envelope-sender of the mail. I basically have two categories of email, and i want different rate controls for each of these categories. Is there a possible way to achieve this ? regards, harsh

Re: recipient MX based routing.

On Thu, Apr 23, 2009 at 01:52:27PM -0400, Marc Jauvin wrote: > I'd like to know if there's a way to have different relayhost based on the > MX records of the recipient for outgoing mail. No. MX lookups happen late in the process, when the message is in the "hands" of the delivery agent. Postfix

Re: postfix alias expansion from include file Was: postfix with large majordomo mailing list.

On Thu, Apr 23, 2009 at 01:46:00PM -0400, Wietse Venema wrote: > > We could reserve the special treatment just for the current recipient > > address (that would trigger loop detection) and deliver everything > > else indirectly: > > > > Safe to deliver to "user" indirectly, because "user" is

recipient MX based routing.

Hi everyone, I'd like to know if there's a way to have different relayhost based on the MX records of the recipient for outgoing mail. I'd like to relay outgoing emails to multiple different domains (all going through a common mail exchange) to a particular relayhost. Thanks. -- Marc Jau

Re: RESOLVED - RE: NDR's Not being Delivered Until 5 Days have Lapsed

* wiskbr...@hotmail.com : > > Wait 5 days. Or contact the idiot sysadmin on the receiving end. Oh, > > let me guess, they don't have a postmaster account or a proper WHOIS > > entry, either. > > You know these people? LOL! It's always the same. So I was just guessing. -- Ralf Hildebrandt Post

Re: postfix alias expansion from include file Was: postfix with large majordomo mailing list.

Victor Duchovni: > On Thu, Apr 23, 2009 at 10:49:50AM -0400, Wietse Venema wrote: > > > > We could call this feature frozen_owner_alias, and make the new > > > default "yes" (i.e. don't lose the owner-parent alias when delivering > > > to an alias without owner-child alias). > > > > > > This is s

Re: Relay problem: NOQUEUE: reject: RCPT from unknown[::1]:

On Apr 23, 2009, at 11:08 AM, Brian Evans - Postfix List wrote: Relevant portions of main.cf: missing a lot here that IS relevant. mynetworks = 10.0.0.0/24, 10.1.1.0/24,127.0.0.0/8 Any thoughts? You seem to (no `postconf -n`) have enabled IPV6 in main.cf, but not added it to mynetworks.

Re: Max Size Not Working Correctly?

W dniu 2009-04-23 17:14, Rick Duval pisze: You are truncating all the long logfile records. Wietse Sorry I didn't even realize that was happening. I dl'd the file and copied and pasted instead of grabbing from putty which I guess was only grabbing the screen. Apr 22 13:52:55 v

Problem with local delivery

Hello, i've got a strange problem with postfix: When I try to send a mail to a local user postfix says that this user is not existing. As soon as I put the line "jacques: dominic.osterr...@gmx.de" in /etc/aliases, the mail gets send without any problems via gmx. Obviously its only a problem with

Re: Relay problem: NOQUEUE: reject: RCPT from unknown[::1]:

Wade Williams wrote: > I'm having a problem where an installation of Mantis bug tracking > software cannot send mail to external addresses. It sends mail to me > (w...@dogwatchsw.com ) fine. However, it > will not send to external email addresses. I've done a lot of g

Re: Relay problem: NOQUEUE: reject: RCPT from unknown[::1]:

Wade Williams wrote: I'm having a problem where an installation of Mantis bug tracking software cannot send mail to external addresses. It sends mail to me (w...@dogwatchsw.com ) fine. However, it will not send to external email addresses. I've done a lot of googl

Relay problem: NOQUEUE: reject: RCPT from unknown[::1]:

I'm having a problem where an installation of Mantis bug tracking software cannot send mail to external addresses. It sends mail to me (w...@dogwatchsw.com ) fine. However, it will not send to external email addresses. I've done a lot of google searching, but not come up with a fix. All o

Re: Accept mail with attachmnet from known e-mail address

Stephen K Cheboi wrote: Hi, I would like to allow mail from a known e-mail address say a...@example.com with an attachment say X to a user in my domain say u...@kenkob.co.ke ,but at the same time reject another e-mail from an e-mail address

Re: Max Size Not Working Correctly?

On Thu, Apr 23, 2009 at 11:14:23AM -0400, Rick Duval wrote: > Sorry I didn't even realize that was happening. I dl'd the file and > copied and pasted instead of grabbing from putty which I guess was > only grabbing the screen. > > Apr 22 13:52:54 vps04 postfix/smtpd[16215]: B3E982010001: >

Re: postfix alias expansion from include file Was: postfix with large majordomo mailing list.

On Thu, Apr 23, 2009 at 10:49:50AM -0400, Wietse Venema wrote: > > We could call this feature frozen_owner_alias, and make the new > > default "yes" (i.e. don't lose the owner-parent alias when delivering > > to an alias without owner-child alias). > > > > This is similar in spirit to "frozen_del

Accept mail with attachmnet from known e-mail address

Hi, I would like to allow mail from a known e-mail address say a...@example.com with an attachment say X to a user in my domain say u...@kenkob.co.ke ,but at the same time reject another e-mail from an e-mail address different from a...@example.com to u...@kenkob.co.ke with attachment X. How do I

Re: Staying on the safe side while sending mass emails

2009/4/24 Harsh Jain : > Hi, >  Thanks guys for your comments. I guess I wasn't clear enough in my first > email. We are not sending SPAM, but mostly a combination of > 1) Invite friends messages. > 2) Welcome to the site. > 3) Forgot password. > > For messages of type (1) we are OK being very cons

Re: Max Size Not Working Correctly?

On Thu April 23 2009 09:58:40 Rick Duval wrote: > > You truncated the "postfix/local" log entry so we can't see if This may be the problem. You need to use a pager or terminal which reveals the entire long line. > Is there any other log besides /etc/Postfix/maillog? That is an unusual location

Re: Max Size Not Working Correctly?

> > You are truncating all the long logfile records. > >        Wietse > Sorry I didn't even realize that was happening. I dl'd the file and copied and pasted instead of grabbing from putty which I guess was only grabbing the screen. Apr 22 13:52:54 vps04 postfix/smtpd[16215]: connect from unknow

Re: Max Size Not Working Correctly?

> Apr 22 13:52:21 vps04 postfix/smtp[16221]: 8D14B2010002: > to=, orig_to=, > relay=gmail-smtp-in.l.google.com[209$ > Apr 22 13:52:56 vps04 postfix/local[16220]: B3E982010001: > to=, > orig_to=, relay=local, d$ > Apr 22 13:58:26 vps04 dovecot: POP3(marlene.csm-ltd.com): > Disconnected: Logged out

Re: Max Size Not Working Correctly?

> > The easy explanation is that it's not the same message. > You'll have to provide better proof that it really is. > It definitely is the same message. It's the only one that the guy sent me with a 14m attachment. I've searched the log for emails from that user and it's the only one that has a la

Re: Max Size Not Working Correctly?

> > You truncated all the interesting data from the local(8) log entry. > This message is not rejected by Postfix, and Exim could not have seen > an error in the SMTP transfer to Postfix. It could have bounced, because > the local(8) delivery failed, but you carefully hide this information. I'm no

Re: postfix alias expansion from include file Was: postfix with large majordomo mailing list.

Wietse Venema: > Victor Duchovni: > > Even giving the parent list an "owner-parent" alias will not work, > > because when the child-list has no "owner-child" alias, the parent > > "owner" property is cleared. > > So the "fix" is to provide an owner-alias for the child list. > > There was a time w

Re: Staying on the safe side while sending mass emails

Hi, Thanks guys for your comments. I guess I wasn't clear enough in my first email. We are not sending SPAM, but mostly a combination of 1) Invite friends messages. 2) Welcome to the site. 3) Forgot password. For messages of type (1) we are OK being very conservative. Yesterday Google temporarily

Re: postfix alias expansion from include file Was: postfix with large majordomo mailing list.

Victor Duchovni: > Even giving the parent list an "owner-parent" alias will not work, > because when the child-list has no "owner-child" alias, the parent > "owner" property is cleared. So the "fix" is to provide an owner-alias for the child list. There was a time when local(8) tried to implement

Re: Staying on the safe side while sending mass emails

/dev/rob0 wrote: On Wed April 22 2009 17:36:56 Harsh Jain wrote: I am choosing the following settings to be on the safe side, so as to not get blocked by any ISP for being aggressive. ... agree with all of rob0's comments. # Be Nice default_destination_concurrency_limit = 1 default_destinat

Re: Max Size Not Working Correctly?

Rick Duval wrote: This message was accepted and delivered. -- Noel Jones Problem is that it wasn't delivered (it was coming to me and I never rcvd it) and a reject mesage was sent as seen in the Exim logs. This is what is confusing. As you can see we're talking about the same message, the

Re: Max Size Not Working Correctly?

On Thu, Apr 23, 2009 at 10:05:58AM -0400, Rick Duval wrote: > Sorry, I did send it in an earlier post, here it is again. > > Apr 22 13:52:54 vps04 postfix/smtpd[16215]: connect from unknown[74.51.38.172] > Apr 22 13:52:54 vps04 postfix/smtpd[16215]: B3E982010001: > client=unknown[74.51.38.172] >

Re: Max Size Not Working Correctly?

> > This message was accepted and delivered. > >   -- Noel Jones > Problem is that it wasn't delivered (it was coming to me and I never rcvd it) and a reject mesage was sent as seen in the Exim logs. This is what is confusing. As you can see we're talking about the same message, the exact same #

Re: Max Size Not Working Correctly?

> >> [r...@vps04 log]# postconf -n | grep size_limit >> message_size_limit = 2048 > > OK, so you are potentially configured to accept 20,000 KB messages. > Where are the logs? > > -- >        Viktor. SOrry, I did send it in an earlier post, here it is again. Apr 22 13:52:54 vps04 postfix/smtp

Re: Max Size Not Working Correctly?

Rick Duval wrote: check the POSTFIX log. check "postconf -n" output -- Noel Jones Done and done, see my original post. Here's the log of the email in question.. Apr 22 13:52:54 vps04 postfix/smtpd[16215]: connect from unknown[74.51.38.172] Apr 22 13:52:54 vps04 postfix/smtpd[16215]: B3E98201

Re: Max Size Not Working Correctly?

On Thu, Apr 23, 2009 at 09:57:38AM -0400, Rick Duval wrote: > [r...@vps04 log]# postconf -n | grep size_limit > message_size_limit = 2048 OK, so you are potentially configured to accept 20,000 KB messages. Where are the logs? -- Viktor. Disclaimer: off-list followups get on-list re

Re: Max Size Not Working Correctly?

> Yes. "postconf -d | grep size_limit" > >    body_checks_size_limit = 51200 >    bounce_size_limit = 5 >    header_size_limit = 102400 >    mailbox_size_limit = 5120 >    message_size_limit = 1024 > > Of these the last two are the most pertinent. > > -- >        Viktor. > [r...@vps0

Re: Max Size Not Working Correctly?

> It is 2 kilobytes, which is not quite 20480 kilobytes, but probably > close enough. Post the output of "postconf -n" and Postfix server logs > showing the rejection of the message. > > -- >        Viktor. > [r...@vps04 log]# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/

Re: Max Size Not Working Correctly?

> check the POSTFIX log. > check "postconf -n" output > >  -- Noel Jones Done and done, see my original post. Here's the log of the email in question.. Apr 22 13:52:54 vps04 postfix/smtpd[16215]: connect from unknown[74.51.38.172] Apr 22 13:52:54 vps04 postfix/smtpd[16215]: B3E982010001: client=u

Re: Max Size Not Working Correctly?

On Thu, Apr 23, 2009 at 09:43:06AM -0400, Rick Duval wrote: > Yes, I have thanks but as I said, the config already is set to well > above the 14Mb limit that was rejected, it's currently set to 20M > (message_size_limit = 2048) That is 20 Megs right? It is 2 kilobytes, which is not quite

Re: Max Size Not Working Correctly?

On Thu, Apr 23, 2009 at 09:40:36AM -0400, Rick Duval wrote: > Yes I know, I'm just showing the reject message received from Postfix > by the Exim server that attempted delivery > > > > > That is not a Postfix log entry. It is an Exim log entry. If you installed > > Postfix, perhaps you didn't get

Re: Max Size Not Working Correctly?

Rick Duval wrote: Yes, I have thanks but as I said, the config already is set to well above the 14Mb limit that was rejected, it's currently set to 20M (message_size_limit = 2048) That is 20 Megs right? I'm not missing a zero I don't think. So why else could it possibly be rejected? [ple

Re: Max Size Not Working Correctly?

Yes, I have thanks but as I said, the config already is set to well above the 14Mb limit that was rejected, it's currently set to 20M (message_size_limit = 2048) That is 20 Megs right? I'm not missing a zero I don't think. So why else could it possibly be rejected? On Wed, Apr 22, 2009 at 2

Re: Max Size Not Working Correctly?

Yes I know, I'm just showing the reject message received from Postfix by the Exim server that attempted delivery > > That is not a Postfix log entry. It is an Exim log entry. If you installed > Postfix, perhaps you didn't get Exim shut off completely. > >> /etc/postfix/main.cf had no message_size_

Re: smtp-source missimg MIME-Version header

Jan C.: > Hello, > I'm using smtp-source as a test smtp-client and I've realized that it > is not adding the "MIME-Version: 1.0" to the generated email. Hence, > some email clients do not display the received message correctly. My > suggestion would be to add the following line in the smtp-source.c

Re: postfix alias expansion from include file Was: postfix with large majordomo mailing list.

On Thu, Apr 23, 2009 at 06:47:53PM +1000, Steve Head wrote: > I've managed to reproduce the problem with an alias include file with > just two recipients (bypassing majordomo altogether). > > It appears to happen when an address included from a file is an alias to > a mailbox which is over quota.

RESOLVED - RE: NDR's Not being Delivered Until 5 Days have Lapsed

> From: ralf.hildebra...@charite.de >> What do I do in the case of misconfigured (are they?) MTA's? > > Wait 5 days. Or contact the idiot sysadmin on the receiving end. Oh, > let me guess, they don't have a postmaster account or a proper WHOIS > entry, either. You know these people? LOL! Tha

Re: Another SMTP protocol breakage by ASA

> Ralf, here is another one for your list of Cisco PIX and ASA > problems with inspection of a SMTP protocol (actually, parsing > of a mail header section): > > http://www.arschkrebs.de/postfix/postfix_cisco_pix_bugs.shtml > > > > CSCsy28792 > SMTP session disconnects due to improper parsing >

smtp-source missimg MIME-Version header

Hello, I'm using smtp-source as a test smtp-client and I've realized that it is not adding the "MIME-Version: 1.0" to the generated email. Hence, some email clients do not display the received message correctly. My suggestion would be to add the following line in the smtp-source.c file, in the "sta

postfix alias expansion from include file Was: postfix with large majordomo mailing list.

On Wed, Apr 22, 2009 at 12:56:54PM -0400, Wietse Venema wrote: > Steve Head: > > One difference I can see, when doing a postcat of a queue file of a > > smaller list which also has a deferred recipient. > > [snip] > > sender: owner-@infoxchange.net.au > > named_attribute: rewrite_context=local

Re: Conversation with DOMAIN timed out while sending end of data -- message may be sent more than once

Hello again. I can now see that the recieving side has an ESTABLISHED connection from the sender, even after the sender tell me it has lost the connection with the reciever. So it seems like something in the middle is forcing the connection to a close... I have now captured some more tcpdump