Adding a digital signature to your email is just one simple step you can take in your journey for more secure communications. Jack Wallen shows you how this is done in the latest version of Apple ...

To automatically sign your name in your Outlook emails, you must create a signature. Simple signatures contain only plain text, but you can insert images and hyperlinks into your signature.

We explain how you can encrypt & digitally sign Thunderbird emails with the help of PGP, GPG suite and a Thunderbird extension called Enigmail.

Signing a document, annotating an attachment and drawing on a photo can now be done directly in the Mail app in iOS 9.

The appropriate sign-off depends on your position in the corporate pecking order, your relation to the recipient and the nature of exchange. Your columnist, a guest Bartleby, has a few general tips.