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Thread: Deploy for large outgoing emails

  1. #1
    Mudasar is offline Loyal Member
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    Default Deploy for large outgoing emails

    We have plan to deploy Zimbra server that will send large number emails. 5000 Mail per minute. Receiving mails/lmtp will be near 0.

    Following is the system specs

    Server Class: Sun X2200M2
    RAM: 32GB
    CPU: AMD Quad-Core
    NIC: 4 x 100Gbps
    Hard disk size: 2 x 250 GB(SATA 7200rpm)
    RAID: Raid 1
    Available H/D size: 250GB

    We are going to install 2 Virtual machines on this system. Both Vhost share the system recourse equally.

    After my research, i am going to change following Zimbra/OS parameters

    innodb_buffer_pool_size = 30% of memory
    table_cache- 1200 to 2000
    innodb_open_files= 4310
    mailboxd_java_heap_memory_percent = 25%
    #zmlocalconfig -e mailboxd_java_options="-server -Djava.awt.headless=true -XX:+UseConcMarkSweepGC -XX:NewRatio=2 -XX:PermSize=128m -XX:MaxPermSize=128m -XX:SoftRefLRUPolicyMSPerMB=1 -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCApplicationStoppedTime"

    net.ipv4.tcp_fin_timeout=15
    net.ipv4.tcp_tw_reuse=1
    net.ipv4.tcp_tw_recycle=1

    Please let me know if it works or do i need to change any other settings.

    MY
    Thanks
    Mudasar
    www.o2sp.com
    Open Source Solution Provider

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
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    Quote Originally Posted by Mudasar View Post
    We have plan to deploy Zimbra server that will send large number emails.
    Then why did you post this in the Zimbra Desktop forums? Please post your questions in the correct forum, I'll move this thread.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    Mudasar is offline Loyal Member
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    oh sorry i f have opened it in Zimbra desktop. My apology.

    I am just looking for your expert opinion.


    Thanks
    Thanks
    Mudasar
    www.o2sp.com
    Open Source Solution Provider

  4. #4
    Mudasar is offline Loyal Member
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    I have read this link, i have just share it to get some expert view.
    Thanks
    Mudasar
    www.o2sp.com
    Open Source Solution Provider

  5. #5
    blason is offline Elite Member
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    I dont think so there should be any issue I just managed to integrate Zimbra with Sugar CRM for outgoing email though quantity is not so huge. However you also need to keep one ting in mind, provisioning good hardware can not be the only solution there could be other factors which might affect your performance line your Internet BW, firewall performance, firewall Port speed, switch port speed, firewall to router connectivity, your DNS Setup, firewall ACLs for DNS queries as well as SMTP traffic etc.

  6. #6
    Mudasar is offline Loyal Member
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    Blason, Thanks for your valued input, do you think there are other setting that be can effect overall performance.
    Thanks
    Mudasar
    www.o2sp.com
    Open Source Solution Provider

  7. #7
    Mudasar is offline Loyal Member
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    These are very good tips, i am very thank full to you.
    Thanks
    Mudasar
    www.o2sp.com
    Open Source Solution Provider

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