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Thread: Multiple IP Addresses problem

  1. #1
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    Question Multiple IP Addresses problem

    Hello community
    I have a problem with multiple IP addresses:
    My server has 2 IP addresses.

    Another servers can use ZCS to relay mails on both Ip Addresses. But when the mails go out of ZCS, all mails use only one IP Address.

    What I would like to do: if another servers send to one IP address, the mail go out with the same IP address by which they come in.

    I hope I was enough explicit.

    Someone have an idea?

  2. #2
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    Welcome to the Forums!

    Why do you need two IP addresses in the first instance?

    What is the business reason for this?

    All the best,
    Mark

    P.S. Please update your profile with the output of "zmcontrol -v"

  3. #3
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    thanks for your answer.
    I need these IP's because one will be marked as spam.
    But for some mailing, I need one cleen.
    Thanks

    ps: update coming

  4. #4
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    I'll wait for the update then; not sure why one of your IPs you believe will be backlisted.

  5. #5
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    My profile is update.
    I'm sure that i'll be marked as spam because the society is a survey society and the @ mail list of our clients are not often clean...
    That's why I need 2 adressesIP: 1 for @list clean (like B2B) and 1 for @list not so clean (B2C)

  6. #6
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    In our experience it's not a good idea to allow one's domain to become repeatedly blacklisted; this can eventually impact your "clean" IP address.

    And sending to a few bad email addresses doesn't generally get you blacklisted.

    If it were me, I'd either use a mailing service like Constant Contact or some such for the outbound work, or set up an entirely separate second Zimbra server for the outbound work (on that second IP address).

    Curious what happens when one of your clients gets the second IP blacklisted? How do you explain to your other clients that you can't do mailings for them for a few days?

    Hope that helps,
    Mark

  7. #7
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    thanks for your answer
    Today we tune the push mail to avoid spam but more and more mailing list are not clean and I think this IP will be more and more marked as spam.
    We work as preventive, not curative, so I wrote this post.

  8. #8
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    vi /etc/iproute2/rt_tables

    add two tables for each network , like this

    100 net1
    200 net2

    save

    on prompt
    >ip ru add from ip.net.1 t net1 prio 150
    >ip ru add from ip.net.2 t net2 prio 150
    >ip r add default via gateway1 t net1
    >ip r add default via gateway2 t net2

    now convince postfix to use ip.net.1 for first group of clients and ip.net.2 for second group. this is not tested by me till now.

    Kr

  9. #9
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    I don't have a lot of time today. I will see your solution later but quickly.
    Thanks for your proposition ioan.sava.

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