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Thread: Proxy | MTA-IN | MTA-OUT

  1. #1
    Join Date
    Jul 2009
    Rep Power

    Default Proxy | MTA-IN | MTA-OUT

    Dear all,

    I'd like to understand some points as well as explanation for MTA-IN and MTA-OUT
    -First of all i'm running Release 5.0.18_GA_3011.RHEL5_20090707151729 RHEL5 NETWORK edition
    1. - installed DNS Bind on Standalone server
    2. - LDAP and SNMP on server
    3. - Mailstore with apache and archiving on Server
    4. -Porxy and SNMP on server
    5. -MTA and SNMP on server "it should act as MTA for only incoming mails"
    6. -MTA and SNMP on server "it should act as MTA for Outgoing mails"

    I have configured correctly the Mailstore and Proxy and they working smoothly fine
    i can browse the mails using Proxy IP and Mailstore direct for Administration console

    Now my questions are:

    • - in order that i'm using Zimbra-Proxy i'll need to enable "This server is a reverse proxy lookup target" in MTA-IN and MTA-OUT?
    • -How i can customize MTA-IN to do only the functionality of incoming mail server ? & How i can customize MTA-OUT to do the functionality of outgoing mail server only?

    P.S: even if i'm sending internal Mails

    in the meantime the status is ..while i'm sending mail between internal accounts and MTA-IN is down.mails sent successfully which means MTA-OUT doing both functions

    Also Question related to Certificates: Deployment of Certificates per Server or Domain? and it can be only one for all servers?

    Thanks in advance.
    Best Regards

  2. #2
    Join Date
    Nov 2006
    Rep Power


    Welcome to the forums

    Why do you want the servers to only perform MTA IN or MTA OUT ? Do you have other servers that provide secondary MX or relay ?

  3. #3
    Join Date
    Jul 2009
    Rep Power

    Default Phase One

    Because planned to do this task in large business environment with NLB, LA, Clustering
    and it will provide e-mailing services for many domains.

    P.S: I'm still in phase ONE , its a test environment

    i tried to search about zimbra-mta in and out but unfortunately i found nothing.

    appreciate your reply thx

  4. #4
    Join Date
    Jul 2009
    Rep Power

    Default Mta-in | Mta-out

    Any news?

    I've changed in Global Settings of 1st Mailstore "Web mail MTA Hostname: to be the MTA-OUT IP"
    and in Domain Settings changed Inbound SMTP host name: to MTA-IN

    But now i'm wondering what i did is right or wrong?
    also i need to know how the incoming mails will understand that it should go to MTA-IN ?

    i think it would be something related to DNS
    anyways this is the output of dig domain name

    just in case if anyone can advise

    dig mx

    ; <<>> DiG 9.3.4-P1 <<>> mx
    ;; global options: printcmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 5327
    ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 1, ADDITIONAL: 3

    ; IN MX

    ;; ANSWER SECTION: 38400 IN MX 10 38400 IN MX 10


    ;; ADDITIONAL SECTION: 38400 IN A 38400 IN A 38400 IN A

    Thanks in advance

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