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Thread: [SOLVED] Postfix/smtpd Domain Not Found Error

  1. #1
    Join Date
    Jun 2008
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    Default [SOLVED] Postfix/smtpd Domain Not Found Error


    One of our clients has a domain name which their servers are sending us that does not exist but we still need those emails to reach us. Is there a way to allow this domain through but keep all others rejected?

    Jun 30 06:32:47 postfix/smtpd[15550]: NOQUEUE: reject: RCPT from 450 4.1.8 <>: Sender address rejected: Domain not found; from=<> to=<> proto=ESMTP helo=<>


  2. #2
    Join Date
    Jun 2008
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    I case anyone comes across this issue; I resolved it by adding a new domain record to our DNS table with the domain that was being rejected. I then added each server that I needed within this record and had it pointing to their mail server.

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