[Bug 41602] S/MIME sign results in error message

[Rumpeltux]

Public bug reported:

Affects: evolution (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed


Description:
When i try to sign a message with my certificate, evolution fails with this error-message:
Could not create message.

Because "Cannot add SMIMEEncKeyPrefs attribute", you may need to select
different mail options.

This error message does not explain anything! I found out that the error occurs when
a) the certificate is not capable of signing
b) the certificate's CA certificate is not installed

Evolution should find out what's wrong and print an appropriate error-
message.

This problem was observed with evolution 2.6.1

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S/MIME sign results in error message
https://launchpad.net/bugs/41602