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  1. #1
    Join Date
    Jul 2007
    Posts
    57

    Mails bouncing back with error number 450.

    Dear All,

    I am facing a problem with my mails. I have hosted a new domain on my server and that domain is getting a lot of bounce messages with the following error message:

    Message is waiting at <Mail server name> for delivery to <recipients SMTP>.

    Message delivery has been delayed to the following recipients:
    Recipient: [SMTP:<recepients email id>]
    Reason: Remote SMTP Server Returned: 450 <Senders email id>: Sender address rejected: Domain not found

    Also when I try to check the DNS settings of that domain from network-tools.com I get the error message as:

    Retrieving DNS records for <domain name>...

    DNS servers
    nameserver1 [xxx.xxx.xxx.xxx]
    nameserver2 [xxx.xxx.xxx.xxx]
    Query for DNS records for <Domian name> failed: Timed out

    The hosting server is configured on the following softwares:
    Plesk 8.4 control panel
    Bind DNS
    Mail Enable Mail server

    Thanks & Regards,
    Jimit Shah.

  2. #2
    Join Date
    Mar 2009
    Location
    Israel
    Posts
    1,204
    your DNS server is not resolving the domain name, check your firewall make sure the dns service is not blocked, and make sure the dns service is running.
    beast5.com - Managed Hosting Solutions 2004 - 2016

  3. #3
    Join Date
    Jul 2007
    Posts
    57
    Thanks for your reply.

    But if there was a DNS issue then how come my websites are working fine. Also all the other domains inside are able to send and receive mails?

    Thanks & Regards,
    Jimit Shah.

  4. #4
    Join Date
    Nov 2002
    Location
    WebHostingTalk
    Posts
    8,878
    * Moved to Technical and Security Issues....

    Sirius
    I support the Human Rights Campaign!
    Moving to the Tampa, Florida area? Check out life in the suburbs in Trinity, Florida.

  5. #5
    Join Date
    Jul 2007
    Posts
    57
    Dear All,

    To understand this better, I will give you the names of some of the domains hosted on the server.

    Absoluteinternational.net is able to send/receive mails properly where as absoluteint.com is facing the mentioned problem.

    Thanks & Regards,
    Jimit Shah.

  6. #6
    Join Date
    Jul 2007
    Posts
    2,050
    Absoluteint.com shows a parking page. Are you sure you have spelled the domain correctly?
    Prashant T.

    Don't run after Success. Run after Excellence and Success will soon follow.

  7. #7
    Join Date
    Feb 2007
    Location
    Florida
    Posts
    1,930
    Absoluteinternational.net = 75.125.162.34
    ns2.iwihosting.com
    ns1.iwihosting.com

    absoluteint.com = 208.73.210.27
    ns1.dsredirection.com
    ns2.dsredirection.com

    2 complete different servers.
    -Joe @ Secure Dragon LLC.
    + OpenVZ Powered by Wyvern | KVM | cPanel Hosting | Backup VPSs | LowEndBoxes | DDOS Protection
    + Florida | Colorado | Illinois | California | Oregon | Georgia | New Jersey | Arizona | Texas

  8. #8
    Join Date
    Oct 2009
    Location
    Bangalore
    Posts
    12
    I am not perfect in plesk,but just some tips on basic setup..

    I feel it is a pure issue with DNS resolver.

    ---Just try to make your dns as 4.2.2.2 and try . if it works some problem in dns forwarding.Recursive feature is not happening or not able to contact TLSs properly. or if it is a manual configuration you can forward the requests other than local names to global DNS server like 4.2.2.2.


    Hope will help you---thanks you

  9. #9
    Join Date
    Jan 2005
    Location
    Darwin, Australia
    Posts
    1,333
    There seem to be no MX records for absoluteint.com Could be related to the problem.
    Graham Craig

    "IT'S NOT HOW GOOD YOU ARE, IT'S HOW BAD YOU WANT IT."

  10. #10
    Join Date
    Jul 2007
    Posts
    57
    Dear All,

    I sincerely apologize for my mistake. The domain that is facing problem is interworldint.com.

    Thanks & Regards,
    Jimit Shah.

  11. #11
    Join Date
    Jul 2007
    Posts
    2,050
    The dns server itself is not responding.
    Prashant T.

    Don't run after Success. Run after Excellence and Success will soon follow.

  12. #12
    Join Date
    Oct 2009
    Location
    Ernakulam, Kerala, IN
    Posts
    5
    Hello,

    If you just added the domain, then allow few hours for the DNS to propagate globally.

    -Shyam

  13. #13
    Join Date
    Jul 2007
    Posts
    57
    Dear All,

    I had hosted the domain in the last week of August. Also if DNS is not responding the n how should I resolve that since this is for the first time that I am being exposed to Bind DNS else I used to work with MS-DNS.

    But if you will check you will get the same DNS response for Absoluteinternational.net. But the mails are working fine for it.

    Thanks & Regards,
    Jimit Shah.

  14. #14
    Join Date
    Jan 2009
    Posts
    3,876
    Are you sending messages via php mail? or are you using SMTP authentication. What might be happening is it's using php mail and its sending with something like "[email protected]" and when the recipient server tries to send back to see if that address is a valid one. It's not valid, so it rejects it. If you use SMTP authentication it will send is your account that you SMTP auth with. So when the recipient server comes back to validate it will get a response.

    It's 2:14AM hopefully I got that right

  15. #15
    Join Date
    Jul 2007
    Posts
    2,050
    If you have Plesk installed, you don't need to edit bind manually. Do you have firewall enabled? It might not have the DNS ports open.
    Prashant T.

    Don't run after Success. Run after Excellence and Success will soon follow.

  16. #16
    Join Date
    Jan 2004
    Location
    mumbai
    Posts
    135
    Quote Originally Posted by Jimit Shah View Post
    Dear All,

    I had hosted the domain in the last week of August. Also if DNS is not responding the n how should I resolve that since this is for the first time that I am being exposed to Bind DNS else I used to work with MS-DNS.

    But if you will check you will get the same DNS response for Absoluteinternational.net. But the mails are working fine for it.

    Thanks & Regards,
    Jimit Shah.
    Jimit,

    I can try to look into it if you want. PM me if you are interested.

    Nitesh
    Nitesh Shah

    My Personal Blog - http://www.niteshn.info
    My Technical Blog - http://www.techknowlogy.in

  17. #17
    Join Date
    Jul 2007
    Posts
    57
    Dear All,

    I am using Asp mailing component to send mails from my application. It automatically generates mails on run time takes the values from database and fires the mail.

    This component is an authenticated component i.e. I have provided the mail server authentication to this script.

    Thanks & Regards,
    Jimit Shah.

  18. #18
    Join Date
    Jul 2007
    Posts
    57
    Dear Nitaish,

    What details would you require from my side?

    Thanks & regards,
    Jimit Shah.

  19. #19
    Join Date
    Jul 2007
    Posts
    57
    http://aspnet.4guysfromrolla.com/articles/072606-1.aspx

    The above link has a sample script of the script that I am using to send mails.

    Thanks & Regards,
    Jimit Shah.

  20. #20
    Join Date
    Jul 2007
    Posts
    57
    Any updates....

    Thanks & Regards,
    Jimit Shah.

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