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602Pro LAN SUITE 2002 User Forumforum home | rss | search | terms of use
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HELP! SMTP has stopped working...
  Posted by  Paul Fuston  on Tuesday, May 06, 2003 at 8:19:01 PM (EST)
I have just started having a problem with SMTP timing out in LS2002. It happens with the clients within and also to inbound emails. Here's some log captures:

04:04:45 pm SMTP: [2] Connection error (Winsock: Socket is not connected).
04:06:17 pm SMTP: [2] 'cgmail.uams.edu' [144.30.1.244] connected.
04:06:17 pm SMTP: [2] SMTP connection to 'cgmail.uams.edu' established.
04:10:45 pm SMTP: [2] Connection error (Winsock: Socket is not connected).
04:12:17 pm SMTP: [2] 'cgmail.uams.edu' [144.30.1.244] connected.
04:12:17 pm SMTP: [2] SMTP connection to 'cgmail.uams.edu' established.
04:16:45 pm SMTP: [2] Connection error (Winsock: Socket is not connected).
04:18:17 pm SMTP: [2] 'cgmail.uams.edu' [144.30.1.244] connected.
04:18:17 pm SMTP: [2] SMTP connection to 'cgmail.uams.edu' established.
04:22:46 pm SMTP: [2] Connection error (Winsock: Socket is not connected).

I looked at active connections and saw this:

06:09:46 pm SMTP: [2] 'mail7.savebigshopsmart.com' [64.28.67.235] connected.
06:09:46 pm SMTP: [2] SMTP connection to 'mail7.savebigshopsmart.com' established.
06:10:34 pm SMTP: [2] Rejecting message from host mail7.savebigshopsmart.com: Mail rejected - you are listed in Spamcop (Spam) [FREE] - http://spamcop.net/bl.shtml
06:10:34 pm SMTP: [2] Connection error (Winsock: Socket is not connected).
06:10:35 pm SMTP: [2] 'cgmail.uams.edu' [144.30.1.244] connected.
06:10:35 pm SMTP: [2] SMTP connection to 'cgmail.uams.edu' established.

Connections established:

[2] incoming call from cgmail.uams.edu, service smtp, connected from 06:10:35 pm 06/05/03,
for 18 sec., sent 77 B, received 88 B (9 B/s)

Connections established:

[2] incoming call from cgmail.uams.edu, service smtp, connected from 06:10:35 pm 06/05/03,
for 30 sec., sent 77 B, received 88 B (5 B/s)

Connections established:

[2] incoming call from cgmail.uams.edu, service smtp, connected from 06:10:35 pm 06/05/03,
for 38 sec., sent 77 B, received 88 B (4 B/s)

Connections established:

[2] incoming call from cgmail.uams.edu, service smtp, connected from 06:10:35 pm 06/05/03,
for 48 sec., sent 77 B, received 88 B (3 B/s)

Connections established:

[2] incoming call from cgmail.uams.edu, service smtp, connected from 06:10:35 pm 06/05/03,
for 58 sec., sent 77 B, received 88 B (2 B/s)

Connections established:

[2] incoming call from cgmail.uams.edu, service smtp, connected from 06:10:35 pm 06/05/03,
for 1 min., 6 sec., sent 77 B, received 88 B (2 B/s)

ALL incoming mail connections will send/receive about the same amount of data before timing out (not just from cgmail.uams.edu as shown above). Anyone have any idea what's going on here??
  Posted by David Hart  on Wednesday, May 07, 2003 at 4:40:06 PM (EST)
First thing to check is the NIC and cabling.

After that, you might get more help with more details. OS? N/W configuration. Type of connection. Static, dynamic, etc.

  Posted by David Hart  on Wednesday, May 07, 2003 at 4:44:30 PM (EST)
Taking that one step further. Disconnect the SpamCop hook. See how that helps.

Are you on a dial-up? Forget any anti-spam tie-ins if that's the case; You simply lack enough bandwidth.
  Posted by Paul Fuston  on Wednesday, May 07, 2003 at 5:44:49 PM (EST)
Athlon 1.2 GHz, 384 MB RAM, Win98, 3COM 3C905C-TX NIC at 100/full on ADSL (1500/256). No changes have been made; just started 5/5.

I've been planning a move to WinXP, this may expedite it...
  Posted by Paul Fuston  on Wednesday, May 07, 2003 at 5:45:42 PM (EST)
Also, static IP with a registered domain...
  Posted by David Hart  on Wednesday, May 07, 2003 at 8:53:41 PM (EST)
It is difficult to differentiate incoming from outgoing on the logs. I assume that the logs mentioning SpamCop are inbound messages.

I would definitely get rid of the SpamCop detector until you figure this out.

Check you keyboard! Cable connection - stuck key.

A DHCP confict would definitely cause this. Get rid of DHCP and assign inside addresses manually. On the machine running LS, instead of "all interfaces" select the IP of the machine running LS (SMTP setup screen).

Did your ISP make a change in their name servers?

Sometimes a socket not connected is a DNS error. Are you using Bind or your ISP's name servers (as an aside if you are not using bind you should - after you fix the problem).

If that first group of entries are outgoing, the mx record is incorrect. I'm showing tank2.uams.edu.

What changes have you made since the 5th? Do you have an incremental back-up?

'98 is not the best server in the world but if it worked before the 5th it should work now.
  Posted by David Hart  on Wednesday, May 07, 2003 at 8:54:26 PM (EST)
One more thing. Make sure that port 113 is NOT stealthed.
  Posted by Paul Fuston  on Thursday, May 08, 2003 at 8:30:24 AM (EST)
Ok, all the log entries are inbound to the server. I get the same whether it is coming from outside or from my client (I'm the only client on the local network). All IPs are static. Port 113 is reported as closed, but I researched that result and found ZoneAlarm (forgot to mention that one) DOES pass IDENT on port 113, it just reports it closed (www.grc.com has info). I've tested all day yesterday with ZoneAlarm turned off and the problem still exists. I am using my ISPs DNS, as I am not familiar with BIND, but I'll be looking into that today, along with contacting my ISP to see if DNS changes were made recently.
  Posted by Paul Fuston  on Thursday, May 08, 2003 at 8:36:17 AM (EST)
Also, no changes were made since late last month. I do have a backup, but I have been reluctant to restore just yet as it is about a week old (I will be revising my backup routine after this one). As I stated before, I've been contemplating moving to a new server/OS and I may order the parts Sat. if the problems continue.

By the way, THANKS for your help so far. I appreciate it a lot!
  Posted by David Hart  on Thursday, May 08, 2003 at 5:56:17 PM (EST)
I am out of ideas except to find the applicable MS news group.

There are a number of other things I could suggest with XP. I have absolutely no experience with Windows 98.

The only other advice that I could offer is to strip away EVERYTHING that isn't necessary. Diagnose from bare bones. No Zone Alarm, SpamCop, Norton. Get rid of everything that isn't absolutely necessary to keep windows running.

Then I would uninstall and re-install LS.

If I think of anything, I'll let you know. Also when you get this resolved, PLEASE update the board.
  Posted by Paul Fuston  on Thursday, May 08, 2003 at 8:13:38 PM (EST)
Will do...
  Posted by David Hart  on Friday, May 09, 2003 at 10:14:48 AM (EST)
One more idea:

Use the command line option "/dbg:r" to start LS. This allegedly provides advanced POP/SMTP debug information.

Disclaimer: I have never tried this.
  Posted by Robert Smith  on Friday, May 09, 2003 at 11:32:32 AM (EST)
Try removing and re-adding your NIC/TCP stuff in your networking control panel. This will rebuild your TCP stack, which may fix the problem.
  Posted by Paul Fuston  on Friday, May 09, 2003 at 11:17:29 PM (EST)
Ok, I tried a few more things and then backed lansuite up and started from scratch. I installed WindowsXP after reconfiguring the server's hardware (maintenance that needed to be done). All is well now and running fasted than before, but I have one big stupid question: after installing as a service, how do you get back into it?!? It is running, but ALT-TAB doesn't work... A nice little gotcha on a new OS...
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