Complete the following fields to configure this filter:
Name:
Enter an appropriate name for the filter.
Sign Using Key:
Select the checkbox next to the certificate that contains the public key associated with the
private signing key that you wish to use to sign the message.
Create Detached Signature in Attachment:
Specifies whether to create a detached digital signature in the message attachment. This is
selected by default. For example, this is useful when the software reading the message does
not understand the PKCS#7 binary structure, because it can still display the signed content,
but without verifying the signature.
If this is unselected, the message content is embedded with the PKCS#7 binary signature. This
means that user agents that do not understand PKCS#7 can not display the signed content.
Intermediate systems between the sender and final recipient may modify the text content slightly
(for example, line wrapping, whitespace, or text encoding). This may cause the message to fail
signature validation due to changes in the signed text that are not malicious, nor necessarily
affecting the meaning of the text.
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