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When S/MIME Cannot Be Used

This section describes likely causes of and possible solutions for S/MIME-related problems.

Problem	Causes	Solutions
If multiple destinations are selected for the broadcasting sequence, the data is sent twice.	Encrypted e-mails are sent to the destinations for which S/MIME authentication is set, and plain text e-mails are sent to the destinations for which S/MIME authentication is not set.	Make sure S/MIME-authentication destinations are separate from plain text destinations. Contact the administrator for details about destination settings.
When attaching a signature to an e-mail using S/MIME, an e-mail address for "Sender" is not set for "From".	When S/MIME is applied, the administrator's name appears in the "From" field, and the sender's name appears in the "Reply-to" field.	Contact your administrator.

Problem

Causes

Solutions

If multiple destinations are selected for the broadcasting sequence, the data is sent twice.

Encrypted e-mails are sent to the destinations for which S/MIME authentication is set, and plain text e-mails are sent to the destinations for which S/MIME authentication is not set.

Make sure S/MIME-authentication destinations are separate from plain text destinations.

Contact the administrator for details about destination settings.

When attaching a signature to an e-mail using S/MIME, an e-mail address for "Sender" is not set for "From".

When S/MIME is applied, the administrator's name appears in the "From" field, and the sender's name appears in the "Reply-to" field.

Contact your administrator.

Protecting an e-mail by S/MIME increases its data volume.