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Thread: All right, what did I remove with sendmail that I shouldn't have?

  1. #1
    guises is offline Junior Member
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    Default All right, what did I remove with sendmail that I shouldn't have? [resolved]

    So I installed on a CentOS 5.4 machine and everything was working all right but I had this conflict with the MTA. So I look it up and it seems that sendmail is the culprit. Fine, I says:

    yum remove sendmail

    and my MTA conflict goes away and the server status is all checks, only now I can't send anything from the Zimbra server. I can still receive fine, just not send. So I:

    yum install sendmail

    then:

    chkconfig sendmail off

    but it doesn't help. It seems that something got removed with sendmail the first time and didn't get reinstalled. So. Does anyone know what I'm missing? Or how to get it back?
    Last edited by guises; 12-30-2009 at 09:33 AM.

  2. #2
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by guises View Post
    It seems that something got removed with sendmail the first time and didn't get reinstalled. So. Does anyone know what I'm missing? Or how to get it back?
    Zimbra has no dependency on having sendmail installed. You should look in the log files to see what errors you're getting and in the Admin mail queues to see fi any mail is getting deferred. More than likely you'll need a Split DNS set-up.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    guises is offline Junior Member
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    Well, two things: before I removed sendmail I had disabled it with "chkconfig sendmail off" and then Zimbra could send things fine. It's just that when I rebooted the machine I ran into the MTA problem again and figured I could solve it for good by removing sendmail.

    The other thing is that I can find the failed transfers in the log at /var/log/maillog, but I can't find the successful ones so I can't see what's different. Maybe that's intentional. Anyway, this is the failure message (with domains deleted):

    Code:
    postfix/smtpd[29232]: connect from (Zimbra server)[---]
    postfix/smtpd[29232]: client=(Zimbra server)[---]
    postfix/cleanup[29299]: message-id=<(stuff)@(Zimbra server)>
    postfix/smtpd[29232]: disconnect from (Zimbra server)[---]
    postfix/qmgr[8414]: from=, size=999, nrcpt=1 (queue active)
    zmmailboxdmgr[29561]: status requested
    zmmailboxdmgr[29561]: status OK
    postfix/smtpd[29660]: connect from localhost.localdomain[127.0.0.1]
    postfix/smtpd[29660]: client=localhost.localdomain[127.0.0.1]
    postfix/cleanup[29299]: message-id=<(stuff)@(Zimbra server)>
    postfix/qmgr[8414]: from=, size=1498, nrcpt=1 (queue active)
    postfix/smtp[29300]: to=, relay=127.0.0.1[127.0.0.1]:10024, delay=3.7, delays=0.13/0.14/0.46/3, dsn=2.0.0, status=sent (250 2.0.0 Ok, id=07138-01, from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as (cut))
    postfix/qmgr[8414]: removed
    postfix/error[29661]: to=, relay=none, delay=0.21, delays=0.02/0.17/0/0.02, dsn=5.0.0, status=bounced ((remote server))
    postfix/cleanup[29299]: message-id=<(cut)@(Zimbra server)>
    postfix/qmgr[8414]: from=<>, size=3496, nrcpt=1 (queue active)
    postfix/bounce[29662]: sender non-delivery notification:
    postfix/qmgr[8414]: removed
    postfix/lmtp[29664]: to=, relay=(Zimbra server)[---]:7025, delay=0.19, delays=0.02/0.01/0.01/0.16, dsn=2.1.5, status=sent (250 2.1.5 Delivery OK)
    postfix/qmgr[8414]: removed
    I tried to clean that up a bit, hope it can tell you something. I don't think Split DNS is the problem, from what I read about it our network isn't set up that way and also it was working fine before I removed sendmail, but feel free to correct me.

  4. #4
    phoenix is online now Zimbra Consultant & Moderator
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    How about posting the information I asked for and whether any email is deferred in the queues? Is your server behind a NAT router or firewall?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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    guises is offline Junior Member
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    Oh right, sorry - nothing is showing up in the queues in the admin console. No NAT and no external firewall that I'm aware of, though we're one office in a very large network and I don't know the details of what gets filtered.

    I am using iptables, but have opened all of the appropriate ports.

  6. #6
    phoenix is online now Zimbra Consultant & Moderator
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    .... and the information from the commands I asked you to run?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  7. #7
    guises is offline Junior Member
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    All right, I figured it out. I think. I'm setting up the Zimbra server as a replacement for our old one (foo.com) and so had set up the server as zimbra.foo.com and added the domain foo.com in the administration panel. I had thought that Zimbra checked with the DNS for every domain resolution, so I had thought that this wouldn't be an issue, and it wasn't at first - I could send back and forth between zimbra and foo freely - but then it became an issue? Right after I removed sendmail for some reason.

    Anyway, removing foo.com from the domain panel fixed the problem. Obviously I'm going to have to add it back at some point, but I'm hoping for no more problems.

  8. #8
    guises is offline Junior Member
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    Quote Originally Posted by phoenix View Post
    .... and the information from the commands I asked you to run?
    Hey, you didn't ask me to run anything. I protest. I think you may have two threads confused.

    Anyway, I think that I sort-of-but-not-really figured out the problem. At any rate, it's working for the moment. Thank you for the help.

  9. #9
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by guises View Post
    Hey, you didn't ask me to run anything. I protest. I think you may have two threads confused.
    Quite right I didn't, sorry.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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