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Thread: POP3 Not Working!!!

  1. #1
    @ndres's Avatar
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    Unhappy POP3 Not Working!!!

    Hello guys!!!

    I have this problem:




    The service is enabled:



    Tail -f /opt/zimbra/log/mailbox.log:

    Code:
    2009-12-13 19:35:31,828 INFO  [Pop3SSLServer-36] [] ProtocolHandler - Handler exiting normally
    2009-12-13 19:35:32,353 INFO  [Pop3SSLServer-37] [ip=##.##.##.##;] pop - connected
    2009-12-13 19:35:32,355 INFO  [Pop3SSLServer-37] [ip=##.##.##.##;] ProtocolHandler - Exception occurred while handling connection
    java.net.SocketException: Connection reset
    at java.net.SocketInputStream.read(SocketInputStream.java:168)
    at com.sun.net.ssl.internal.ssl.InputRecord.readFully(InputRecord.java:293)
    at com.sun.net.ssl.internal.ssl.InputRecord.read(InputRecord.java:331)
    at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:789)
    at com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1112)
    at com.sun.net.ssl.internal.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:623)
    at com.sun.net.ssl.internal.ssl.AppOutputStream.write(AppOutputStream.java:59)
    at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
    at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
    at com.zimbra.cs.pop3.Pop3Handler.sendLine(Pop3Handler.java:361)
    at com.zimbra.cs.pop3.Pop3Handler.sendResponse(Pop3Handler.java:350)
    at com.zimbra.cs.pop3.Pop3Handler.sendOK(Pop3Handler.java:325)
    at com.zimbra.cs.pop3.Pop3Handler.startConnection(Pop3Handler.java:116)
    at com.zimbra.cs.pop3.TcpPop3Handler.setupConnection(TcpPop3Handler.java:42)
    at com.zimbra.cs.tcpserver.ProtocolHandler.run(ProtocolHandler.java:130)
    at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Thread.java:619)

    I have upgrade from zcs-5.0.10_GA_2638.RHEL5.20081003052615 to zcs-6.0.3_GA_1915.RHEL5.20091118110117, but it did not fixed the problem!!!

    BTW: SMTP is working perfectly!!!

    Thank you very much for your help!!!
    Last edited by @ndres; 12-15-2009 at 07:17 AM.

  2. #2
    phoenix is online now Zimbra Consultant & Moderator
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    Default

    It works for me, are you trying to connect to the correct port (that would be port 995) for POP3S? Does the following work:

    Code:
    openssl s_client -connect yourserver:995
    Is there likely to be any firewall or anti-virus software blocking access?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    @ndres's Avatar
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    Default ...

    The Service was working until last week...

    The list of open ports in the Zimbra Server:


  4. #4
    phoenix is online now Zimbra Consultant & Moderator
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    How about the output of the command I asked you to run?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  5. #5
    @ndres's Avatar
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    Quote Originally Posted by phoenix View Post
    How about the output of the command I asked you to run?
    Code:
    [root@mail /]# openssl s_client -connect 127.0.0.1:995
    CONNECTED(00000003)
    depth=0 /C=US/ST=N/A/O=Zimbra Collaboration Suite/OU=Zimbra Collaboration Suite/CN=MailServer
    verify error:num=20:unable to get local issuer certificate
    verify return:1
    depth=0 /C=US/ST=N/A/O=Zimbra Collaboration Suite/OU=Zimbra Collaboration Suite/CN=MailServer
    verify error:num=27:certificate not trusted
    verify return:1
    depth=0 /C=US/ST=N/A/O=Zimbra Collaboration Suite/OU=Zimbra Collaboration Suite/CN=MailServer
    verify error:num=21:unable to verify the first certificate
    verify return:1
    ---
    Certificate chain
     0 s:/C=US/ST=N/A/O=Zimbra Collaboration Suite/OU=Zimbra Collaboration Suite/CN=MailServer
       i:/C=US/ST=N/A/L=N/A/O=Zimbra Collaboration Suite/OU=Zimbra Collaboration Suite/CN=MailServer
    ---
    Server certificate
    -----BEGIN CERTIFICATE-----
    MIICsjCCAhugAwIBAgIFEiRjaIQwDQYJKoZIhvcNAQEEBQAwgZUxCzAJBgNVBAYT
    459qqniBC26kiRRphphzEj0elj6JkGEDanO4+gDAaM/vgkSSclGr8rDOJBHPidPJ
    qgVqjXxjlj1HhR8J8OVWAtn88QOUXQ==
    -----END CERTIFICATE-----
    subject=/C=US/ST=N/A/O=Zimbra Collaboration Suite/OU=Zimbra Collaboration Suite/CN=MailServer
    issuer=/C=US/ST=N/A/L=N/A/O=Zimbra Collaboration Suite/OU=Zimbra Collaboration Suite/CN=MailServer
    ---
    No client certificate CA names sent
    ---
    SSL handshake has read 1266 bytes and written 291 bytes
    ---
    New, TLSv1/SSLv3, Cipher is EDH-RSA-DES-CBC3-SHA
    Server public key is 1024 bit
    Compression: NONE
    Expansion: NONE
    SSL-Session:
        Protocol  : TLSv1
        Cipher    : EDH-RSA-DES-CBC3-SHA
        Session-ID: 4B28006211ABB19781D1AF801B264858E15EE4997AB35C6A570837FC2B55E0ED
        Session-ID-ctx:
        Master-Key: D898D1F4CD76D6EA7AFC041020E3E15E00B028A75FBD51FDDBE1950F0D380268E21C96C96F54508B5ACD775B71F05AD7
        Key-Arg   : None
        Krb5 Principal: None
        Start Time: 1260912738
        Timeout   : 300 (sec)
        Verify return code: 21 (unable to verify the first certificate)
    ---
    +OK MailServer Zimbra POP3 server ready

  6. #6
    phoenix is online now Zimbra Consultant & Moderator
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    Have you tried running that command from a machine other than the Zimbra server?

    Have you removed anything from the information you've posted above? The following isn't correct for your server certificate:

    Server certificate
    -----BEGIN CERTIFICATE-----
    MIICsjCCAhugAwIBAgIFEiRjaIQwDQYJKoZIhvcNAQEEBQAwgZ UxCzAJBgNVBAYT
    459qqniBC26kiRRphphzEj0elj6JkGEDanO4+gDAaM/vgkSSclGr8rDOJBHPidPJ
    qgVqjXxjlj1HhR8J8OVWAtn88QOUXQ==
    -----END CERTIFICATE-----
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  7. #7
    @ndres's Avatar
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    Smile

    Quote Originally Posted by phoenix View Post
    Have you tried running that command from a machine other than the Zimbra server?
    Code:
    [root@intranet /]# openssl s_client -connect 192.168.0.2:995
    CONNECTED(00000003)
    23558:error:140790E5:SSL routines:SSL23_WRITE:ssl handshake failure:s23_lib.c:188:
    [root@intranet /]#


    Quote Originally Posted by phoenix View Post
    Have you removed anything from the information you've posted above? The following isn't correct for your server certificate:
    Yeah... I've removed some information from the Zimbra Certificate...


    Thank you very much for your help!!!

  8. #8
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    Default

    Up........ :d

  9. #9
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    Angry ...

    Bump...up....

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