[NTLUG:Discuss] Slow connection to pop3

[Bob Byron]

I know you verified your resolv.conf file, but my previous
problem sounds a lot like yours.  And, in my case, it 
ultimately turned out to be a DNS problem (with the resolv.conf
file).  I would try seeing how long your system takes to resolve 
the different domain names your server must support (via pings).  
But at any rate, I would give some thought to insuring that DNS
is not the issue.  Oh, and try connecting with telnet.  In my 
case, telnet was also slow.

Make sure 
ping `uname -n`
comes back immediately.

Bob
----- Original Message ----- 
From: "Neil Aggarwal" <neil at JAMMConsulting.com>
To: <discuss at ntlug.org>
Sent: Tuesday, July 16, 2002 8:46 AM
Subject: RE: [NTLUG:Discuss] Slow connection to pop3


Paul:

I ran your script to add the entries into the hosts file,
thanks for the help on that.

Unfortunately, it did not solve my problem.  The connections
to pop3 are still as slow as they have ever been.

Any ideas?

Thanks,
Neil.

--
Neil Aggarwal
JAMM Consulting, Inc.    (972) 612-6056, http://www.JAMMConsulting.com
Custom Internet Development    Websites, Ecommerce, Java, databases


> -----Original Message-----
> From: discuss-admin at ntlug.org [mailto:discuss-admin at ntlug.org]On Behalf
> Of Paul Ingendorf
> Sent: Monday, July 15, 2002 10:28 PM
> To: discuss at ntlug.org
> Subject: RE: [NTLUG:Discuss] Slow connection to pop3
> 
> 
> And this prevents you from testing this how?  The suggestion was 
> to see if the dns timeout was indeed the culprit to your slowdowns.
> 
> If you just want to quick dirty hack do something like this and 
> have a program fill in every combination from 1-255 for your 
> subnet in the host file.
> 
> #!/bin/bash
> let x=1
> while test $x -lt 256
> do
> echo 192.168.1.$x host$x >> /etc/hosts
> let x=$x+1
> done
> 
> 
> -----Original Message-----
> From: discuss-admin at ntlug.org [mailto:discuss-admin at ntlug.org]On Behalf
> Of Neil Aggarwal
> Sent: Monday, July 15, 2002 4:31 PM
> To: discuss at ntlug.org
> Subject: RE: [NTLUG:Discuss] Slow connection to pop3
> 
> 
> Paul:
> 
> I am going to have multiple internal machines, so I am using dhcp
> to assign addresses on 192.168.1.x to the windows machines.  
> Since the address is dynamic, I dont have a way to add and entry 
> to the hosts file.
> 
> Any other ideas?
> 
> Thanks,
> Neil.
> 
> --
> Neil Aggarwal
> JAMM Consulting, Inc.    (972) 612-6056, http://www.JAMMConsulting.com
> Custom Internet Development    Websites, Ecommerce, Java, databases
> 
> 
> > -----Original Message-----
> > From: discuss-admin at ntlug.org [mailto:discuss-admin at ntlug.org]On Behalf
> > Of Paul Ingendorf
> > Sent: Sunday, July 14, 2002 4:05 PM
> > To: discuss at ntlug.org
> > Subject: RE: [NTLUG:Discuss] Slow connection to pop3
> > 
> > 
> > Definitely the thing to try would be to just add a line in your 
> > /etc/hosts file for the windows machine trying to connect to the 
> > pop3 server.  If this makes the reply almost instant then you 
> > have found your culprit and you may want to think about setting 
> > up a dns server on the mail server that will answer authoritative 
> > for the reverse dns mapping for your internal ip range.
> > 
> > 
> > -----Original Message-----
> > From: discuss-admin at ntlug.org [mailto:discuss-admin at ntlug.org]On Behalf
> > Of Neil Aggarwal
> > Sent: Sunday, July 14, 2002 12:17 PM
> > To: NTLUG
> > Subject: [NTLUG:Discuss] Slow connection to pop3
> > 
> > 
> > Hello:
> > 
> > I just set up a Linux box Running RedHat 7.3 to act as a mail server.
> > When I try to download my email from Outlook on my Windows box,
> > it take a long time to connect and start downloading my email.
> > Everything works, but it just sits for a while first.
> > 
> > Reading some articles on the web, I think it is a timeout of
> > either reverse DNS or identd, since the machine I am checking
> > from uses an internal IP address that wont resolve for
> > reverse dns and it is a windows box that does not run identd.
> > 
> > I tried following some instructions I found that told me to edit
> > the /etc/xinetd.conf file and /etc/xinetd.d/ipop3 files to remove
> > items from the log_on_success lines, but that did not
> > help.
> > 
> > I check my firewall, it is not a problem since I tried diabling 
> > it as well.
> > 
> > Any ideas?
> > 
> > Thanks,
> > Neil.
> > 
> > --
> > Neil Aggarwal
> > JAMM Consulting, Inc.    (972) 612-6056, http://www.JAMMConsulting.com
> > Custom Internet Development    Websites, Ecommerce, Java, databases
> > 
> > 
> > _______________________________________________
> > http://www.ntlug.org/mailman/listinfo/discuss
> > 
> > 
> > _______________________________________________
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> 
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