Results 1 to 3 of 3

Thread: Zimbra 8.0.1: imap - too many IMAP requests from account XXX dropping connection

  1. #1
    arnisraido is offline Member
    Join Date
    Dec 2010
    Location
    Riga
    Posts
    14
    Rep Power
    4

    Default Zimbra 8.0.1: imap - too many IMAP requests from account XXX dropping connection

    I have done clean install of 8.0.1, and trying to migrate emails from Gmail with imapsync.

    I have only one imapsync instance, running on the same Zimbra server, but every time after a random time, Zimbra disconnects my Imap session:
    mailbox.log
    Code:
    2012-12-15 21:03:20,895 INFO  [ImapSSLServer-1] [name=arnis@mydomain.com;mid=20;ip=IPADDRESS;] mailop - Deleting Message (id=42805).
    2012-12-15 21:03:20,897 INFO  [ImapSSLServer-1] [name=arnis@mydomain.com;mid=20;ip=IPADDRESS;] mailop - Deleting Message (id=42806).
    2012-12-15 21:03:20,899 INFO  [ImapSSLServer-1] [name=arnis@mydomain.com;mid=20;ip=IPADDRESS;] mailop - Deleting Message (id=42807).
    2012-12-15 21:03:20,900 INFO  [ImapSSLServer-1] [name=arnis@mydomain.com;mid=20;ip=IPADDRESS;] mailop - Deleting Message (id=42809).
    2012-12-15 21:03:21,409 WARN  [ImapSSLServer-2] [name=arnis@mydomain.com;mid=20;ip=IPADDRESS;] imap - too many IMAP requests from account 3310cebd-abb1-4a4e-8f9e-801a707216f3 dropping connection
    2012-12-15 21:03:21,409 INFO  [ImapSSLServer-2] [name=arnis@mydomain.com;mid=20;ip=IPADDRESS;] imap - dropping connection for user arnis@mydomain.com (server-initiated)
    2012-12-15 21:03:21,611 INFO  [ImapSSLServer-2] [name=arnis@mydomain.com;ip=IPADDRESS;] imap - user arnis@mydomain.com authenticated, mechanism=LOGIN [TLS]
    2012-12-15 21:03:21,613 WARN  [ImapSSLServer-2] [name=arnis@mydomain.com;ip=IPADDRESS;] imap - too many IMAP requests from account 3310cebd-abb1-4a4e-8f9e-801a707216f3 dropping connection
    2012-12-15 21:03:21,613 INFO  [ImapSSLServer-2] [name=arnis@mydomain.com;ip=IPADDRESS;] imap - dropping connection for user arnis@mydomain.com (server-initiated)
    2012-12-15 21:03:21,747 INFO  [ImapSSLServer-1] [name=arnis@mydomain.com;ip=IPADDRESS;] imap - user arnis@mydomain.com authenticated, mechanism=LOGIN [TLS]
    2012-12-15 21:03:21,749 WARN  [ImapSSLServer-1] [name=arnis@mydomain.com;ip=IPADDRESS;] imap - too many IMAP requests from account 3310cebd-abb1-4a4e-8f9e-801a707216f3 dropping connection
    I have changed settings with:
    Code:
    sudo -u zimbra /opt/zimbra/bin/zmprov ms zimbra.SERVER.com zimbraImapMaxConnections 900
    sudo -u zimbra /opt/zimbra/bin/zmprov ms zimbra.SERVER.COM zimbraImapNumThreads 10000
    But nothing has changed.
    Gillar from imapsync is sure - imapsync creats only one session during a run.

    Similar problem here? IMAP - Dropping connection (max connections exceeded)
    Release 8.0.1.GA.5438.UBUNTU12.64 UBUNTU12_64 FOSS edition.

  2. #2
    lytledd is offline Elite Member
    Join Date
    Dec 2009
    Location
    Michigan
    Posts
    440
    Rep Power
    5

    Default

    I had this issue the first time I setup SeaMonkey with Zimbra. I don't recall if after making those changes, if Zimbra needed to be restarted. Below is my IMAP settings:

    Code:
    data_source_imap_reuse_connections = false
    imap_authenticated_max_idle_time = 1800
    imap_inactive_session_cache_size = 10000
    imap_max_consecutive_error = 5
    imap_max_idle_time = 60
    imap_max_request_size = 10240
    imap_thread_keep_alive_time = 60
    imap_throttle_acct_limit = 250
    imap_throttle_command_limit = 25
    imap_throttle_ip_limit = 250
    imap_use_ehcache = true
    imap_write_chunk_size = 8192
    imap_write_timeout = 10
    javamail_imap_debug = false
    javamail_imap_enable_starttls = true
    javamail_imap_test_timeout = 20
    javamail_imap_timeout = 60
    nio_imap_enabled = true
    zimbra_session_limit_imap = 15
    Doug
    Ben Franklin quote:

    "Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety."

  3. #3
    arnisraido is offline Member
    Join Date
    Dec 2010
    Location
    Riga
    Posts
    14
    Rep Power
    4

    Default

    I posted bug on Bugzilla, and succesfuly received recomendations on IMAP thorttle setting.
    Based on: https://bugzilla.zimbra.com/show_bug.cgi?id=79262

    Set
    Code:
    zmlocalconfig -e imap_throttle_command_limit=500
    (and restart services)

    This helped for me!
    Release 8.0.1.GA.5438.UBUNTU12.64 UBUNTU12_64 FOSS edition.

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. IMAP - Dropping connection (max connections exceeded)
    By ymarinov in forum Administrators
    Replies: 9
    Last Post: 12-25-2013, 06:14 AM
  2. Dropping IMAP connection during migration
    By RickATMS in forum Administrators
    Replies: 1
    Last Post: 11-29-2010, 10:58 AM
  3. Outlook 2003 dropping IMAP connection after 5.0 GA upgrade
    By Mark Daniel in forum Administrators
    Replies: 7
    Last Post: 01-06-2008, 10:00 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •