Mail server: TCP connection failed

Hi,
I'm hosting my own mail server on my SnowLeopard server. I've got an Internet Domain Name (cinema-voiron.fr) and a fix IP address. The router which manages my internet connection redirects incoming smtp request to my server using NAT (port 25 opened on my server and on my public IP)
I successfully receive mails from most of people excepts for those with an mail address which is [email protected] Looking in the mail log file, I did not find any mail sent from these addresses. Using tcpdump on my server, I discovered that it seems that the TCP connection between my mail server (passrlminisrv) and the remote smtp server fails.
22:16:25.978773 IP smtp10.smtpout.orange.fr.41183 > passrlminisrv.cinema-voiron.fr.smtp: Flags [S], seq 105066692, win 5840, options [mss 1380,sackOK,TS val 2993558281 ecr 0,nop,wscale 8], length 0
22:16:28.978262 IP smtp10.smtpout.orange.fr.41183 > passrlminisrv.cinema-voiron.fr.smtp: Flags [S], seq 105066692, win 5840, options [mss 1380,sackOK,TS val 2993561281 ecr 0,nop,wscale 8], length 0
22:16:34.977258 IP smtp10.smtpout.orange.fr.41183 > passrlminisrv.cinema-voiron.fr.smtp: Flags [S], seq 105066692, win 5840, options [mss 1380,sackOK,TS val 2993567281 ecr 0,nop,wscale 8], length 0
22:16:41.011109 IP passrlminisrv.cinema-voiron.fr.smtp > smtp10.smtpout.orange.fr.41183: Flags [S.], seq 1934215990, ack 105066693, win 65535, options [mss 1460,nop,wscale 1,nop,nop,TS val 537443811 ecr 2993567281,sackOK,eol], length 0
22:16:41.051125 IP smtp10.smtpout.orange.fr.41183 > passrlminisrv.cinema-voiron.fr.smtp: Flags [R], seq 105066693, win 0, length 0
Any idea of the root cause? Could it be an issue with my DNS configuration or is it related with my own smtp server?
Thank you in advance for your help
Xavier

Fixed it. The root cause is the router layer of my internet modem which is not managing properly TCP windows scaling. I created a new virtual interface on my server on the same subnet of my modem to bypass the routing layer and it works.
xavier

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trc file: "dev_w0", trc level: 1, release: "700"
ACTIVE TRACE LEVEL           1
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B Tue Oct 09 19:07:25 2007
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M sid        BI7
M systemid   560 (PC with Windows NT)
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M patchlevel 0
M patchno    80
M intno      20050900
M make:      multithreaded, ASCII, optimized
M pid        7580
M
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M Tue Oct 09 19:07:26 2007
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C Tue Oct 09 19:07:28 2007
C Provider SQLNCLI could not be initialized. See note #734034 for more information.
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M    rq_source = 255
M    last_tid = 0
M    last_mode = 0
M    semaphore = 0
M    act_cs_count = 0
M    control_flag = 0
M    int_checked_resource(RFC) = 0
M    ext_checked_resource(RFC) = 0
M    int_checked_resource(HTTP) = 0
M    ext_checked_resource(HTTP) = 0
M    report = >                                        <
M    action = 0
M    tab_name = >                              <
M    vm = no VM
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M *****************************************************************************
M *
M * LOCATION    SAP-Server ATTNWSRV_BI7_70 on host ATTNWSRV (wp 0)
M * ERROR       ThInit: db_connect
M *
M * TIME        Tue Oct 09 19:07:28 2007
M * RELEASE     700
M * COMPONENT   Taskhandler
M * VERSION     1
M * RC          13
M * MODULE      thxxhead.c
M * LINE        10367
M * COUNTER     1
M *
M *****************************************************************************
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M PfStatDisconnect: disconnect statistics
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Thanks.

A development on this:
By setting the Authentication method (Server Admin, AFP, Settings, Access) to Standard, rather than Kerberos or Any, clients can now mount the share OK, and still using their AD user credentials rather than a server local account.
Not sure what the security implications for this method are. Or is that just a red herring anyway? As long as the users are authenticated against our AD (via Kerberos) I'm happy for now.
Now then, if only Apple's SMB server would allow our PC clients to connect to the Mac shares I'll be fully home and dry. Come on Apple, where is SMB signing? Thursby have it. And don't tell me I can just disable it on the MS AD servers - absolutely no chance of that in a corporate PC network. And please don't tell me I can use DAVE to do the SMB sharing - it handles the signing but slows down AFP access to a crawl when everyone logs in.

Content Server SQL Server 2000 Connection Error (very annoying)

All of the diagnostic tests are failing because of SQLServer connection error (see below for diagnosticTests.jsp output).
I checked database.content.properties file, all connection information is correct. The portal is running on the same SQL server. So I know that the SQL server is running just fine. I just could not isolate the problem. Can you help?------------------------------------------------------------------------
Content Server DB Connection FAIL
Settings JDBC Driver: com.plumtree.jdbc.sqlserver.SQLServerDriver JDBC URL: jdbc:plumtree:sqlserver://OXO-SRV03:1433;DatabaseName=ptcsdb DB Driver: com.plumtree.jdbc.sqlserver.SQLServerDriver DB Vendor: com.plumtree.content.rdbms.impl.VendorSqlServer User Name: ptcsdbuser Possible Resolution Check the Content DB JDBC Server, JDBC Port, JDBC User, JDBC Password, and JDBC Databse settings in the content.properties file. Error Details Exception Message: [plumtree][SQLServer JDBC Driver]Error establishing socket. Connection refused: connect com.plumtree.jdbc.base.BaseSQLException: [plumtree][SQLServer JDBC Driver]Error establishing socket. Connection refused: connect at com.plumtree.jdbc.base.BaseExceptions.createException(Unknown Source) at com.plumtree.jdbc.base.BaseExceptions.getException(Unknown Source) at com.plumtree.jdbc.sqlserver.tds.TDSConnection.(Unknown Source) at com.plumtree.jdbc.sqlserver.SQLServerImplConnection.open(Unknown Source) at com.plumtree.jdbc.base.BaseConnection.connect(Unknown Source) at com.plumtree.jdbc.base.BaseConnectionStartup.run(Unknown Source) Content DB Table CREATE and DELETE FAIL
Settings Unable to get a connection to the content server DB Possible Resolution Check the Content DB JDBC Server, JDBC Port, JDBC User, JDBC Password, and JDBC Databse settings in the content.properties file. Also ensure that the Content Database Server is running. Error Details Exception Message: [plumtree][SQLServer JDBC Driver]Error establishing socket. Connection refused: connect com.plumtree.jdbc.base.BaseSQLException: [plumtree][SQLServer JDBC Driver]Error establishing socket. Connection refused: connect at com.plumtree.jdbc.base.BaseExceptions.createException(Unknown Source) at com.plumtree.jdbc.base.BaseExceptions.getException(Unknown Source) at com.plumtree.jdbc.sqlserver.tds.TDSConnection.(Unknown Source) at com.plumtree.jdbc.sqlserver.SQLServerImplConnection.open(Unknown Source) at com.plumtree.jdbc.base.BaseConnection.connect(Unknown Source) at com.plumtree.jdbc.base.BaseConnectionStartup.run(Unknown Source) Content DB Update and Query FAIL
Settings Unable to get a connection to the Content DB Table Name: PCSSYSTEM Column Name: CREATEDVERSION Possible Resolution Check the Content DB JDBC Server, JDBC Port, JDBC User, JDBC Password, and JDBC Databse settings in the content.properties file. Also ensure that the Content Database Server is running. Error Details Exception Message: [plumtree][SQLServer JDBC Driver]Error establishing socket. Connection refused: connect com.plumtree.jdbc.base.BaseSQLException: [plumtree][SQLServer JDBC Driver]Error establishing socket. Connection refused: connect at com.plumtree.jdbc.base.BaseExceptions.createException(Unknown Source) at com.plumtree.jdbc.base.BaseExceptions.getException(Unknown Source) at com.plumtree.jdbc.sqlserver.tds.TDSConnection.(Unknown Source) at com.plumtree.jdbc.sqlserver.SQLServerImplConnection.open(Unknown Source) at com.plumtree.jdbc.base.BaseConnection.connect(Unknown Source) at com.plumtree.jdbc.base.BaseConnectionStartup.run(Unknown Source) Portal DB Connection FAIL
Settings JDBC Driver: com.plumtree.jdbc.sqlserver.SQLServerDriver JDBC URL: jdbc:plumtree:sqlserver://OXO-SRV03:1433;DatabaseName=plumdb DB Driver: com.plumtree.jdbc.sqlserver.SQLServerDriver DB Vendor: com.plumtree.content.rdbms.impl.VendorSqlServer User Name: plumdbuser Possible Resolution Check the Portal DB JDBC Server, JDBC Port, JDBC User, JDBC Password, and JDBC Databse settings in the content.properties file. Error Details Exception Message: [plumtree][SQLServer JDBC Driver]Error establishing socket. Connection refused: connect com.plumtree.jdbc.base.BaseSQLException: [plumtree][SQLServer JDBC Driver]Error establishing socket. Connection refused: connect at com.plumtree.jdbc.base.BaseExceptions.createException(Unknown Source) at com.plumtree.jdbc.base.BaseExceptions.getException(Unknown Source) at com.plumtree.jdbc.sqlserver.tds.TDSConnection.(Unknown Source) at com.plumtree.jdbc.sqlserver.SQLServerImplConnection.open(Unknown Source) at com.plumtree.jdbc.base.BaseConnection.connect(Unknown Source) at com.plumtree.jdbc.base.BaseConnectionStartup.run(Unknown Source) Portal DB Query FAIL
Settings Unable to get a connection to the Portal DB Table Name: PTUSERS Column Name: OWNERID Possible Resolution Check the Portal DB JDBC Server, JDBC Port, JDBC User, JDBC Password, and JDBC Databse settings in the content.properties file. Also ensure that the Portal Database Server is running. Error Details Exception Message: [plumtree][SQLServer JDBC Driver]Error establishing socket. Connection refused: connect com.plumtree.jdbc.base.BaseSQLException: [plumtree][SQLServer JDBC Driver]Error establishing socket. Connection refused: connect at com.plumtree.jdbc.base.BaseExceptions.createException(Unknown Source) at com.plumtree.jdbc.base.BaseExceptions.getException(Unknown Source) at com.plumtree.jdbc.sqlserver.tds.TDSConnection.(Unknown Source) at com.plumtree.jdbc.sqlserver.SQLServerImplConnection.open(Unknown Source) at com.plumtree.jdbc.base.BaseConnection.connect(Unknown Source) at com.plumtree.jdbc.base.BaseConnectionStartup.run(Unknown Source) Document Repository OK Workflow Server FAIL
Settings Workflow Server Base URL: http://OXO-SRV03:7087 Content Server URL: http://OXO-SRV03:7777/ptcs Workflow Server Portlet URL: http://OXO-SRV03:7087/workflow Possible Resolution Verify that the Plumtree Workflow service has been started. Also, check the Workflow Serverdiagnostics for more detailed information. Error Details Exception Message: Cannot access Burlap service at [http://localhost:7087/wfserver/caucho/workflowsvc-burlap]; nested exception is com.caucho.burlap.client.BurlapProtocolException: org.springframework.remoting.RemoteAccessException: Cannot access Burlap service at [http://localhost:7087/wfserver/caucho/workflowsvc-burlap]; nested exception is com.caucho.burlap.client.BurlapProtocolException: com.caucho.burlap.client.BurlapProtocolException: at com.caucho.burlap.client.BurlapProxy.invoke(BurlapProxy.java:171) at $Proxy2.connectPortalUser(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.springframework.remoting.caucho.BurlapClientInterceptor.invoke

Don't know if anyone is still having problems with this, but just in case...
I was getting a similar error. I had an Event Viewer record (It wasn't a Warning or an Error, just an Information) reading:You are running a version of Microsoft SQL Server 2000 or Microsoft SQL Server 2000 Desktop Engine (also called MSDE) that has known security vulnerabilities when used in conjunction with this version of Windows. To reduce your computer's vulnerability to certain virus attacks, the TCP/IP and UDP network ports of Microsoft SQL Server 2000, MSDE, or both have been disabled. To enable these ports, you must install a patch, or the most recent service pack for Microsoft SQL Server 2000 or MSDE from http://www.microsoft.com/sql/downloads/default.asp
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
I installed SQL SP4 and it corrected the problem

Smtp connection failed

I have various domains that are not working from last night.
They send email but dont receive, all appears to be ok, but with a dns tool http://www.dnsstuff.com/
on domain avantika.com.co by example, (but is failing on others domains too)
I get this:
Connect to mail server
All connections to Mailservers port 25 have failed. The standard port for SMTP transactions is 25, so your servers should be operating on that port. It is recommended that it be fixed in order for your mail service to operate properly. The Mail Servers that
failed are:
65.54.188.109 | failed message send with: failed cx open with: failed socket connect with: Connection refused

Probably problem with AOL. Contact them.

"Connection failed" message when loading classic app

Hi. Hope this is the right forum. It think so, as follows:
I have one Classic app on my computer that I must use for work, two or three times each month (its a great time billing program). Since going to 10.4.6 (Combo update) a few weeks ago, whenever I launch the application (from the dock) and Clasic starts up, I get a message: "Connection failed. The file server is running on your machine. Please access the volumes and files locally." I hit OK, and then OK again, and the Classic app comes right on up. Never got this before 10.4.6.
I have a two Mac network (Airport). The other computer can access the Classic app, and does not get this message. I am admin on my computer. I have ownership permissions on the Classic app and all the data files, with the other computer having read-write permissions on the data.
I've checked System Prefs (Network and Classic) and see nothing out of the ordinary.
This is more of an annoyance than anything else, but can someone tell me why an app on my hard disk is trying to connect to server, and what I can do to fix it?
Thanks!

Hi - I just noticed your reply from June 6th, Anthony. It's been hectic here at work! Sorry for the delay in responding.
Let's see if we can make some headway.
To begin with your questions:
Q: Have you checked the application preferences to see if you have auto-update turned on?
A: There is no auto-update in Preferences.
This is an old app and updates were by disc only.
Q: Please also advise as to what application you are using.
A: Timeslips V. 2.1.c, Network Edition (its a legal billing program).
Q: There may be something more specific to look for but it is a little difficult to say without more information.
A: Here's some more info - the server message ("Connection failed. The file server is running on your machine. Please access the volumes and files locally.") only happens on the computer that the app is stored on. It also happens with any other Classic app on that computer if you log into any Classic app directly from OS X. However, if you go to Prefernces and set the OS 9.2.2 disc as the startup disc, and run any Classic app that way, the message does not appear. Also, if I log into the computer that has the app stored on it and run the app from my computer, I do not get the "Connection failed" message. Similarly, I never get that message when I open a Classic app on my computer.
As to the 2 computers. The one that keeps getting the "Connection failed. The file server is running on your machine. Please access the volumes and files locally." message is a G4 eMac (10.4.6). My computer (the one that never gets the message) is a G4 iMac (10.4.6). Both are up to date with security updates and are otherwise identical in their systems. The ONLY differnce is that the iMac can administer the eMac, but the eMac is not an Administrator of the iMac. However, the eMac has never been an administrator of the iMac and we've been running the Classic app without hassle for 3 years, until about 3 months ago.
Our network is a Snow Airport. We are DSL.
I suspect that this may have something to do with Appleshare or some other OS 9 setting I've long since forgotten about.
Any help?
Thanks!
iMac CDRW Mac OS X (10.4.6)

Mail server: TCP connection failed

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