2995636 - Error message XS843 'Message cannot be edited due to error during encryption or signing'

• The SMTP protocol is used for sending messages from SAP system;
• In SCOT, the Signature and Encryption are configured as "SAPConnect" or "Proxy"
• These messages are failing with error message XS843 - Message cannot be edited due to error during encryption or signing;

        The long text of the Technical information(if available) can be different：

• The cretificate for email "sender_address" was not found in the address book.
• Error in SSF function module SSFPSE_PARAMETER.
• S/MIME Identity with logical name "sender_address" does not exist.

• SAP NetWeaver
• Release independent

Message No. XS843, Message cannot be edited due to error during encryption or signing, S/MIME , KBA , BC-SRV-COM , Communication Services: Mail, Fax, SMS, Telephony , Problem