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Thread: [SOLVED] sending emails bounced back

  1. #1
    salu is offline Senior Member
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    Default [SOLVED] sending emails bounced back

    Hi all,

    Since yesterday, our emails to two different particular recipients are bounced back right away.

    Undeliverred message: Diagnostic-Code: smtp; 550 failed to meet SPF requirements

    Another message of undeliverred mail in deferred queue: 453 please see http://spf.pobox.com/why.html]SPF: Why.html? Sender=........

    Please advise this! Thanks in advance!

  2. #2
    dipeshmehta is offline Special Member
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    It seems these recipients' mail servers have implemented SPF checking for incoming messages, and your domain does not declare SPF. Have you checked by clicking on the link in bounced message? If not, check it and you would have clear idea.

    Dipesh

  3. #3
    salu is offline Senior Member
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    Quote Originally Posted by dipeshmehta View Post
    It seems these recipients' mail servers have implemented SPF checking for incoming messages, and your domain does not declare SPF. Have you checked by clicking on the link in bounced message? If not, check it and you would have clear idea.

    Dipesh
    Dipesh, lot of thanks!

    Our domain does not declare SPF. Below is detail message. Then how to resolve this issue? Do i have to declare SPF or there is other way to fix it?
    Appreciate advice!


    Reporting-MTA: dns; mail.mydomain.com
    X-Postfix-Queue-ID: 91788B2C002
    X-Postfix-Sender: rfc822; salu@mydomain.com
    Arrival-Date: Wed, 20 Apr 2011 22:34:33 -0700 (PDT)

    Final-Recipient: rfc822; receiver1@receiverdomain.com.cn
    Original-Recipient: rfc822;receiver1@receiverdomain.com.cn
    Action: failed
    Status: 5.0.0
    Remote-MTA: dns; mail.receiverdomain.com.cn
    Diagnostic-Code: smtp; 550 failed to meet SPF requirements

  4. #4
    dipeshmehta is offline Special Member
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    Quote Originally Posted by salu View Post
    Our domain does not declare SPF. Below is detail message. Then how to resolve this issue? Do i have to declare SPF or there is other way to fix it?
    Appreciate advice!
    If you own (and have access to DNS parameters) your domain, you may publish SPF. Check SPF: Project Overview for details on how to publish SPF record. They have tools to create SPF text as well as tools to check existing SPF. You may understand SPF syntax in depth there.

    Hope this helps.

    Dipesh

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