In the More Options group, click the dialog box launcher in the lower-right corner.Ĭlick Security Settings, and then select the Add digital signature to this message check box. If you don't see the Sign Message button, do the following: In the message, on the Options tab, in the Permission group, click Sign Message. You can learn more about digital signatures and how to get a digital ID. The digital ID provides verification of the sender's authenticity, thereby helping to prevent message tampering. But a digitally signed message can come only from the owner of the digital ID used to sign it. Anyone can copy an email signature, which essentially is a customizable closing salutation. What's the difference between a digital signature and a standard signature?Ī digital signature isn't the same as a signature you routinely include with an outgoing message.

For additional privacy, you also can encrypt email messages. And that digital ID serves as your unique digital mark and signals the recipient that the content hasn't been altered in transit. Your digital signature, which includes your certificate and public key, originates from your digital ID. A digital signature attached to an email message offers another layer of security by providing assurance to the recipient that you-not an imposter-signed the contents of the email message.

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