I'm using djbdns. 2 lines in resolv.conf:
search myservername.com nameserver 127.0.0.1 dig qmailtoaster.com ; <<>> DiG 9.3.4-P1 <<>> qmailtoaster.com ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47062 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;qmailtoaster.com. IN A ;; ANSWER SECTION: qmailtoaster.com. 86400 IN A 216.81.238.95 ;; Query time: 1301 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Sep 2 19:50:32 2009 ;; MSG SIZE rcvd: 50 dig google.com ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 18032 ;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;google.com. IN A ;; ANSWER SECTION: google.com. 300 IN A 74.125.67.100 google.com. 300 IN A 74.125.45.100 google.com. 300 IN A 74.125.127.100 ;; Query time: 261 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Sep 2 19:52:01 2009 ;; MSG SIZE rcvd: 76 dig yahoo.com ; <<>> DiG 9.3.4-P1 <<>> yahoo.com ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2661 ;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;yahoo.com. IN A ;; ANSWER SECTION: yahoo.com. 21600 IN A 209.131.36.159 yahoo.com. 21600 IN A 209.191.93.53 yahoo.com. 21600 IN A 69.147.114.224 ;; Query time: 130 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Sep 2 19:53:38 2009 ;; MSG SIZE rcvd: 75 Pop3 and SMTP slow during session/transfer, especially with attachments. On Wed, Sep 2, 2009 at 7:02 AM, Eric Shubert <[email protected]> wrote: > 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 <[email protected] <mailto: >> [email protected]>> 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' > > > > --------------------------------------------------------------------------------- > > Qmailtoaster is sponsored by Vickers Consulting Group ( > www.vickersconsulting.com) > Vickers Consulting Group offers Qmailtoaster support and installations. > If you need professional help with your setup, contact them today! > > --------------------------------------------------------------------------------- > Please visit qmailtoaster.com for the latest news, updates, and > packages. > To unsubscribe, e-mail: > [email protected] > For additional commands, e-mail: > [email protected] > > >
