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[SOLVED] Relay Access Denied Problem - Powerful Collaboration and Community Platform for Social, Mob

In Outlook we get a relay access denied error. We checked the log files and found: Code: May 12 16:24:00 mx postfix/smtpd[4563]: warning: 83.101.72.17: hostname ip17.91gen0-1.cityconnect.schedom-europe.net verification failed: Name or service not known .....

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