Cisco Cisco IronPort Encryption Appliance Troubleshooting Guide

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Question:
How do I turn off the read−receipt for Registered Envelopes on the Encryption Appliance?
Environment: Cisco IronPort Encryption Appliance (IEA)
You can turn off read receipts by clicking on the Configuration > SMTP Module > Applications >
RegisteredEnvelopeEnrolled
 application then the Registered Envelope tab. There is a checkbox −− 'Send
Return Receipt'
 −− that you can uncheck. 
Make sure to apply this change to all of the applications that encrypt messages (RegisteredEnvelopeLarge,
RegisteredPxMail, etc.).
Updated: Aug 12, 2014
Document ID: 118207