Burzin
At 02:05 PM 11/3/2003, you wrote:
from a command line run netstat -a
I bet you will see many tcp ports in a wait_close state, if you do the problem is your imonitor settings. We had this problem a while back it seemed to happen to us about every 3.5 days.
Stop imonitor from monitoring the www service. Stop and restart imonitor, smtp, and queue manager.
Kevin Bilbee
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Burzin > Sumariwalla > Sent: Monday, November 03, 2003 10:44 AM > To: [EMAIL PROTECTED]; [EMAIL PROTECTED] > Subject: [IMail Forum] Outgoing SMTP and TCPIP Filtering > > > Hello List, > > My Imail Server (8.03 HF1) experiences an intermittent > oddity. Occaisionally, the mail server stops sending mail to > remote MX hosts. > > Here's what I know. > > 1. What's Up Gold reports the SMTP service as "up.". Imail Admin > 2. Users can send and receive email from the server via SMTP. > 3. The server receive mail from remote mail exchangers > 4. Outgoing mail to remote mail exchangers fails. The mail however is > queued for resending, and bounces in the appropriate amount of time. > 5. From the Imail server itself, I cannot open a telnet session > to port 25 > on the same server. When I try, I get a connect failed message. > > 6. I am also running native Windows 2000 TCP/IP filtering on the > box. I've left TCP 25 open (among others), and left IP and UDP > unfiltered. > 7. I'm running Declude 1.75 on this particular box. > 8. I have a backup Ipswitch SMTP server that also uses TCPIP filtering > (but no Declude.) That server does not display the symptom in line 5. > 9. Disabling TCP/IP filtering and rebooting the server fixes the > problem. If I re-enable TCPIP filtering, and reboot, everything seems to > flow ok, > and I cannot immediately duplicate the problem. However, the > same problem > reoccurs within a week and the same solution fixes it. > > Since this is the second time in 2 weeks that his has occurred, I've > disabled TCP/IP filtering, for the time being. Any ideas? > > Thanks, > Burzin > > > ------ > Burzin Sumariwalla Phone: (314) 994-9411 x291 > [EMAIL PROTECTED] Fax: (314) 997-7615 > Pager: (314) 407-3345 > > Networking and Telecommunications Manager > Information Technology Services > St. Louis County Library District > 1640 S. Lindbergh Blvd. > St. Louis, MO 63131 > > --- > [This E-mail scanned for viruses by Declude Virus] > > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ >
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------ Burzin Sumariwalla Phone: (314) 994-9411 x291 [EMAIL PROTECTED] Fax: (314) 997-7615 Pager: (314) 407-3345
Networking and Telecommunications Manager
Information Technology Services
St. Louis County Library District
1640 S. Lindbergh Blvd.
St. Louis, MO 63131
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