Just 'dig' a few known domains and see what response times look like.
# dig qmailtoaster.com
# dig google.com
# dig yahoo.com
Do you have a caching nameserver installed on your toaster? That might help.
# yum install caching-nameserver bind-chroot
What's in your /etc/resolv.conf file?
(this shows the nameservers for resolving DNS)
Is your pop3 download and SMTP upload slowness continual during the
session/transfer, or is is just slow getting started?
Peter Tan wrote:
Thanks. I'm not very sure, but it used to work. I don't have many users
on the servers, the problem may have been there from beginning. Any
examples of a proper DNS config?
Peter
On Wed, Sep 2, 2009 at 1:55 AM, Janno Sannik <ja...@foor.ee
<mailto:ja...@foor.ee>> wrote:
On 1.09.2009 13:51, Jake Vickers wrote:
Peter Tan wrote:
I'm experiencing slow and broken pop3 download and SMTP
upload. I've increased the timeout in Outlook, the problem
persist. I tried downloading large attachments using
Squirrelmail, most of the time the download stops. Any way
to fix this problem? Same attachments sent to gmail and
downloaded without any issue. Thanks.
Peter
If you have a large message stuck in the wuee then you may need
to go in and delete the message.
Also check your DNS resolution. Slow SMTP and POP3 are usually
caused by a broken DNS resolver somewhere.
Probably the case. Just telnet to pop3 port and see if welcome
message appears in few seconds or it takes upto few minutes. If it
appears in few minutes, then you most probably have DNS resolving
issues on your qmail box. One simple thing is that ISP's DNS is
down/broken and is not directly related to your box. Try changing
DNS servers to see if it helps.
--
-Eric 'shubes'
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