How to Verify the Signature in a Digitally Signed Message in Outlook Web Access
This article explains how to verify signatures in digitally signed messages in Outlook Web Access.
Before You Begin
Log on to Outlook Web Access with the S/MIME control installed as a user who has a certificate.
To verify the signature in a digitally signed message
In Inbox, locate the digitally signed message and double-click it.
When the message opens, click the Verify signature button to verify the signature.
Verify signature button
After you click the Verify signature button, the Digital Signature dialog box is displayed, indicating that the digital signature is valid.
Digital signature verified in Outlook Web Access