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Thread: Domain has exceeded the max defers and failures per hour (5/5 (100%))

  1. #1
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    Jan 2013
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    Default Domain has exceeded the max defers and failures per hour (5/5 (100%))

    Hi guys,

    2 Problems I have

    1. The past few days I have been getting a lot of emails from client saying they cant send emails and when they do they get this message:

    Domain domainhere.org has exceeded the max defers and failures per hour (5/5 (100%)) allowed. Message discarded.
    There where no limits set up to begin with, basic packages with unlimited emails per hour.

    I have found the post that explains "/var/cpanel/email_send_limits/" and deleting the max_deferail_domain. file but it keeps coming back after a few minutes.


    2. Mail Queue Manager:

    Unable to deliver emails and get "No Route To Host" error message on all the emails I try to push along in the queue.

    Some advice would be much appreciated, I have also opened a ticket about this issue!

  2. #2
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    Dec 2012
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    Website Owner

    Default Re: Domain has exceeded the max defers and failures per hour (5/5 (100%))

    This is happening to me also. I have tried everything. I originally set tweak settings maxemailsperhour to 25%, then changed to unlimited, but the block keeps happening. I even deleted the max_deferfail_domain.com file created in /var/cpanel/email_send_limits/ but it keeps getting re-created. I may resort to a cron running every minute to delete this file...help!

  3. #3
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    Website Owner

    Default Re: Domain has exceeded the max defers and failures per hour (5/5 (100%))

    FYI: I have a 2nd cpanel server and found that in the files under /var/cpanel/email_send_limits/cache they have "0" and don't have any issues, where the problem server has "unlimited". I have changed this to see if it works, but to me it looks like a bug.

  4. #4
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    Website Owner

    Default Re: Domain has exceeded the max defers and failures per hour (5/5 (100%))

    This did not work...the file keeps coming back and deletes all email sent by the domain...
    Last edited by celiac101; 01-12-2013 at 01:46 AM.

  5. #5
    Registered Member
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    Website Owner

    Default Re: Domain has exceeded the max defers and failures per hour (5/5 (100%))

    I think I finally figured this out, and want to help the next poor person afflicted by this. I to still think it is a bug, but you decide. My ISP who put this server together put in a bad DNS entry in /etc/resolv.conf, or their DNS just has issues...not sure which. So I had my two DNS server IP's and their bad on in that file for "nameserver" in that file. Once I replaced their DNS entry with google's 8.8.8.8 everything worked fine, and the blocks stopped happening.

    Now here is the question. If I mark the percentage of bounce emails per domain to unlimited in Tweak Settings, which I did, this block still should not take place. Unlimited should mean unlimited. I think this is a Cpanel bug.

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