- content, such as a text, image, file, or combination of these, which is appended to an email or message. Examples include favorite quotes, contact information, vCards, or disclaimers. A user may select whether such a signature is included automatically when sending.
- An attachment to an electronic transmission which uniquely identifies and authenticates the sender of a message, file, or other information such as a credit card number. To be effective, a digital signature must not be forged, and measures such as public key cryptography are employed to insure its integrity. Also called electronic signature, or digital signature.
Not what you were looking for?