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Customers using his own mail server, but we are having a problem

Discussion in 'E-mail Discussions' started by noimad1, Apr 5, 2004.

  1. noimad1

    noimad1 Well-Known Member

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    We are having a problem with a customer that is using his own mail server.

    We have the MX record pointing to his server and his mail.hisdomain pointing to his server as well.

    The problem is that if he sends e-mail from his domain to his domain the mail gets bounced with a message that no user could be found.

    He has two domains with us and this also occurs if he sends the mail from the first domain to the second domain.

    If he sends mail to the domain with an outside e-mail account it arrives fine?

    Anyone know what the problem might be? Someone mentioned taking his name out of the localdomains file, which I did, but didn't help.

    Thanks,
    Damion
     
  2. SarcNBit

    SarcNBit Well-Known Member

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    Add the domain to /etc/remotedomains
     
  3. noimad1

    noimad1 Well-Known Member

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    Thanks, I'll give that a try!

    Damion
     
  4. NetPublicist

    NetPublicist Well-Known Member

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    I have a client who is managing his own mail, he has the nameservers for his domain pointing to his server, he manages his own DNS and points the A record to my server.

    I deleted his DNS zone on my server and have no more problems sending him mail from my server.
     
  5. SarcNBit

    SarcNBit Well-Known Member

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    Congratulations.

    I am not sure what that has to do with this thread.
     
  6. NetPublicist

    NetPublicist Well-Known Member

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    The thread is about a "a problem with a customer that is using his own mail server." Untill I deleted the DNS zone for my client, we couldn't send email to him. We deleted the DNS zone, it fixed the problem.
     
  7. SarcNBit

    SarcNBit Well-Known Member

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    Firstly, I am glad that deleting your customers zone file took care of your problems. Without regards for best practices concerning authoritative records, you should not of *HAD TO* delete the zone file to solve your problem.

    Secondly, You are assuming that the customer hosting their own mail server is also hosting their own (or has alternate hosting of their) zone file. I have no reason to assume that and if you refer back to my first point it shouldn't matter.

    The only reason I bothered commenting on your remark is because it is not safe. I do not know what level of understanding noimad1 has regarding DNS and BIND and I did not want to see them delete their customers authoritative zone file data.

    [EDIT]Besides that, adding the domain to /etc/remotedomains should have taken care of his problem ;) [/EDIT]
     
  8. NetPublicist

    NetPublicist Well-Known Member

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    I tried adding them to the remotedomains and removing them from localdomains, but any mail I sent just sat in the queue.
     
  9. noimad1

    noimad1 Well-Known Member

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    I can't delete his zone file becuase he is actually usnig our DNS...just not our mail server.

    I did try to add him to our remotedomains, but still having problems.

    I found out the actual error he is getting:

    Here is one error:

    did not reach the following recipient(s):
    andreas@normalzeit.com on Wed, 7 Apr 2004 08:34:25 -0400
    There was a SMTP communication problem with the recipient's email

    And her is another.....I'm pretty sure they are connectedd:

    andreas@normalzeit.com on Tue, 6 Apr 2004 06:26:17 -0400
    There was a SMTP communication problem with the recipient's email
    server. Please contact your system administrator.
    arrintsrvr1.arri.com #5.5.0 smtp;550-Verification failed for aweeber@cameraservice.com
     
  10. SarcNBit

    SarcNBit Well-Known Member

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    What was your Exim log telling you?
     
  11. SarcNBit

    SarcNBit Well-Known Member

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    You have also removed them from /etc/localdomains?

    Have you restarted the necessary daemons or rebooted the server?
     
  12. noimad1

    noimad1 Well-Known Member

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    2004-04-07 07:32:32 H=(arrintsrvr1.arri.com) [63.250.7.34] sender verify fail for <aweeber@cameraservice.com>: unrouteable mail domain "cameraservice.com"

    is what I see in my exim logs

    I did remove him from the localdomains....I haven't tried to reboot the server...I just restarted exim.....I guess I can give it a reboot and see what happens.

    Damion
     
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