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This feature allows to request for a receipt in a S/MIME signed message and to reply to a receipt request by sending a signed receipt.

Additional resources:

• Technical Documentation
• RFC 2634 - section 2
• Mozilla bug #386313

Installation

This feature is integrated in Trustedbird 2 and 3.1.

Screenshots

Trustedbird 3.1 (based on Thunderbird 3.1)

Compose window

Reception of a receipt request

Reception of a receipt

Settings

Trustedbird 2 (based on Thunderbird 2)