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SORBS NDRs – ExchangeDefender Network Operations

November 26, 2008

SORBS NDRs

Filed under: ExchangeDefender — admin @ 8:14 am

Earlier this morning you may have received the following error while relaying through ExchangeDefender:

< outbound2.exchangedefender.com #5.7.1 SMTP; 550 5.7.1 … Access denied to 65.99.255.236 by new.spam.dnsbl.sorbs.net DNSBL (http://dnsbl.sorbs.net/)>

This issue has been corrected and mail is flowing through correctly. If you received this error please resend the message as it was permanently rejected by the recipients mail server. 

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