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SMTP still slow..even after -Rt0

Discussion in 'Plesk for Linux - 8.x and Older' started by dourtyb, Aug 21, 2006.

  1. dourtyb

    dourtyb Guest

    Running RHEL 3.0, plesk 7.5.4. I still seem to be getting a 25-30sec delay making an SMTP connection even with -Rt0 added to smtp_psa and smtps_psa. Here is the complete args line:

    server_args = -Rt0 /usr/sbin/rblsmtpd -r sbl-xbl.spamhaus.org /var/qmail/bin/relaylock /var/qmail/bin/qmail-smtp
    d /var/qmail/bin/smtp_auth /var/qmail/bin/true /var/qmail/bin/cmd5checkpw /var/qmail/bin/true

    Any ideas? I did restart xinetd after editing the file.


  2. emagen

    emagen Guest

    Brian, did you solve this issue? I also made the suggested -Rt0 tweek and still no luck.

  3. dourtyb

    dourtyb Guest

    Yes, I resolved the issue. Unfortunatly I'm not 100% sure how I did it. After applying the latest RedHat updates and rebooting it cleared up. Have you tried a reboot?

  4. SiRaH

    SiRaH Guest

    plesk 7.0.2

    I have the same problem, i have -Rt0 option in server arguments, i have rebooted the server. Can Anyone Help me???


    PD: can i see the messages pending for sending???
  5. marlon@

    marlon@ Guest

    any solution to this problem ?

    i have a very similar problem ,i have tried telnet to port 25 and it takes a very very long time .

    Tried resolv.conf

    and nothing.

  6. mlambjr

    mlambjr Guest

    what is even more interesting is that this is happening to all my PLESK boxes v7-8, all across multiple datacenters, multiple os's, multiple dns servers.
  7. marlon@

    marlon@ Guest

    exact same problem

    yes , same thing here.

    The problem joust came out of the blue. and with a coneccition time of 4 min aprox

    ther is no high load nothing.
  8. mlambjr

    mlambjr Guest

    bingo! ordb.org is down, although i think i saw an article about them shutting down or something.

    remove any reference of ordb.org from your rbl lists.
  9. marlon@

    marlon@ Guest

    GREAT info

    great tip , that was the problem , when ever you head out to Baja California give me a call, i will buy you a bear.
  10. polarismd

    polarismd Guest


    You solved a problem thats been dogging us for three days now.

    Why on outbound is spam checked?

    If you are ever in the UK I will also buy you a bear (although bear trading is illegal here!)..... probably best to have a beer - lol. (Marlon, sorry but it was a funny typo ).


  11. marlon@

    marlon@ Guest

    funny typo

    Yes , we don have bear in Baja California jajaja ,

    The outbound SMTP checks for ip's in spammer's black list .

  12. DarkHorizons

    DarkHorizons Guest

    This problem popped up on my server as well and caused 450 timeouts from verizon.net. What a pain in the *** this was to troubleshoot. How did you figure out to check ordb.org?

    Also on that note, which of the rbl orgs are the ones worth keeping in there? I use -r sbl-xbl.spamhaus.org -r bl.spamcop.net -r multihop.dsbl.org