Email signatures and electronic signatures are two different things. An email signature is a formal sign-off at the bottom of an email. It includes social media links, website links, and other information. A digital signature, on the other hand, is meant for contracts and legal documents.
Anyone can create a free email signature to add to their mail for professionalism. Electronic signatures protect against fraud as they are legally binding. Once applied, it’s impossible to edit the electronic signature. You can go through various examples of email signature to understand the differences.