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Thread: Server stop sending and receiving mail

  1. #1
    zyxxyz is offline Intermediate Member
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    Default Server stop sending and receiving mail

    Hallo, everybody.

    I'll try to explain my problem.

    Running Release 6.0.5_GA_2213.UBUNTU8_64 OSE, users are using Thunderbird.

    Half of the year everything was cool, after that time appeared a problem with several users - Thunderbird wrote that can't copy email to the folder "sent". "zmcontrol stop & zmcontrol start" could solve this problem but only for a couple of days.
    I discover that there is a lack of memory on the server. And after reading about memory requirements i increased RAM size from 2Gb up to 8 Gb. (may be this information is useful).

    After above 5-6 days server stop sending and receiving mail at all, with the same error from Thunderbird (can't copy email to the folder "sent"). This situation repeating every 5-6 days, server do the same - stopping send and receive mail. At that time it have more than 1Gb of free RAM and CPU usage at 10-20 percent (CPU is used by process "java", that also uses 16% of RAM)

    Rebooting computer or making zmcontrol stop start helps, but i want to get rid of it as server stops right during the working day.

  2. #2
    Saturdays is offline Advanced Member
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    are there any errors in the log files at the time?

  3. #3
    zyxxyz is offline Intermediate Member
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    nginx.log contain a lot of error like that
    [error] 10376#0: *9626 auth http server 192.168.0.10:7072 timed out (110: Connection timed out) while in http auth state, client: 192.168.0.100, server: 0.0.0.0:993, login: "username"
    this error apears from all users

  4. #4
    phoenix is offline Zimbra Consultant & Moderator
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    Quote Originally Posted by zyxxyz View Post
    nginx.log contain a lot of error like that
    [error] 10376#0: *9626 auth http server 192.168.0.10:7072 timed out (110: Connection timed out) while in http auth state, client: 192.168.0.100, server: 0.0.0.0:993, login: "username"
    this error apears from all users
    Why do you have the proxy installed on a single server (I'm assuming it's a single server as you've not mentioned anything else)?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  5. #5
    uxbod's Avatar
    uxbod is offline Moderator
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    Code:
    su - zimbra
    zmprov gs `zmhostname` zimbraServiceEnabled

  6. #6
    zyxxyz is offline Intermediate Member
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    Quote Originally Posted by phoenix View Post
    Why do you have the proxy installed on a single server (I'm assuming it's a single server as you've not mentioned anything else)?
    yes it's а single server with 2 domains
    but i don't use proxy on it, it seems to be installed by default
    where can i disable it?

  7. #7
    zyxxyz is offline Intermediate Member
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    Quote Originally Posted by uxbod View Post
    Code:
    su - zimbra
    zmprov gs `zmhostname` zimbraServiceEnabled
    Here is list of running services
    zimbraServiceEnabled: antispam
    zimbraServiceEnabled: logger
    zimbraServiceEnabled: mailbox
    zimbraServiceEnabled: memcached
    zimbraServiceEnabled: mta
    zimbraServiceEnabled: stats
    zimbraServiceEnabled: imapproxy
    zimbraServiceEnabled: snmp
    zimbraServiceEnabled: ldap
    zimbraServiceEnabled: spell

  8. #8
    zyxxyz is offline Intermediate Member
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    i forget to menntion about such fact that:
    when all this heppans in the list of processes i can see multiple java processes, instead of 1 when server works normally

  9. #9
    phoenix is offline Zimbra Consultant & Moderator
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    The proxy isn't enabled by default. Just for confirmation and to see what's installed/running follow all the instructions below:

    Code:
    zmproxyctl status
    zmprov gs `zmhostname` | grep zimbraServiceEnabled
    zmprov gs `zmhostname` | grep zimbraServiceInstalled
    If it's in, then run this:

    Code:
    zmproxyctl stop
    zmprov ms `zmhostname` -zimbraServiceEnabled imapproxy
    zmprov ms `zmhostname` -zimbraServiceEnabled memcached
    zmcontrol stop
    zmcontrol start
    To reset the ports run the following (on one line):

    Code:
    zmprov -l ms `zmhostname` zimbraPop3BindPort 110 zimbraPop3SSLBindPort 995 zimbraPop3ProxyBindPort 7110 zimbraPop3SSLProxyBindPort 7995 zimbraImapBindPort 143 zimbraImapSSLBindPort 993 zimbraImapProxyBindPort 7143 zimbraImapSSLProxyBindPort 7993
    then restart
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  10. #10
    zyxxyz is offline Intermediate Member
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    Ok i'll try this on weekends.

    but what else nginx is responsible for in zimbra server?

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