ISSUE:

The customer order confirmation email could not be sent at this time. The following error was encounteed : 5.7.1<renmedia@aol.com>...relaying denied. IP name possibly forged [66.98.138.109]

The Merchant Notification Email could not be sent at this time. The following error was encountered : 5.7.1 <renmedia@aol.com>...relaying denied. IP name possibly forged [66.98.138.109]


solution:
This is a mail server error. Please check the email address in the Order Fulfillment modules and make sure that address has the authority to relay through the mail server that is listed in Domain Settings. You should use an email address that corresponds to the mail server