Postfix: Domain not found

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Posted on May 08, 2012

NOQUEUE: reject: RCPT from mta.sample.net[111.222.111.222]: 450 4.1.2 <recipient@example.com>: Recipient address rejected: Domain not found; from=<bounce

solution:

check your dns record for errors, in most cases you are missing a A record. Or the dns servers are not responding.