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Email signatures, electronic signatures, and digital signatures — what do they have in common? They are all used in digital communication and electronic information exchange. But you should be careful not to confuse those terms. They are different in their definitions, legal status, technology used, and the level of complexity. A big mistake is to assume that they are the same.
In this article, we are looking into these types of signatures and explaining what they are and where they are used.
Let us start with the simplest one, email signature. It is basically the essential information at the end of your email. Email signatures can be private and business.
Private signatures are least formal (and often informal). They are used mostly in private correspondence with friends and acquaintances. They contain your name and any additional information that you want to include, depending on the purpose of your email. It can be a simple email closure (such as “Best regards”) followed by your name. Alternatively, it can be your name followed by a link to your website or social profiles. Many personal email signatures contain a photo as well.
Business email signatures are more formal. You normally attach those to business emails to (potential) customers, partners, and often colleagues. They need to have all the important contact information of you as a part of the company you work for. In most countries it is required to have a business email signature associated with your business email.
The components of a business email signature include:
There are different ways to create a business email signature.
If you are not sure which information you should provide in your signature, see the best email signature examples in September.
An electronic signature is similar to a handwritten signature. But, just like the name suggests, it comes in the electronic form. It is used to sign documents using electronic devices.
Types of documents that can be electronically signed include:
When talking about electronic signatures, we often mean digitized signatures (scanned signatures). But there is also a legal aspect of it. To comply with the existing e-signature-related regulations, an electronic signature should:
There are different legal requirements for electronic signatures depending on jurisdiction that applies to you. For example, the US regulations (UETA) are not that strict. To cut to the chase, electronic signatures and documents signed electronically should not be denied validity or legal effect.
In the EU, according to the eIDAS regulation, electronic signatures are used along with the handwritten ones. However, in legal proceedings, only advanced electronic signatures are recognized as valid. And only qualified electronic signatures have the highest level of validity (they are legally equal to handwritten signatures).
eIDAS distinguishes between three types of e-signatures by the level of security:
While simple electronic signatures can be used in day-to-day business, advanced electronic signatures are required for legal matters. Here’s what makes an e-signature advanced:
An advanced e-signature becomes qualified when it is:
So, instead of scanning your signature and inserting it as an image into a document, it’s better to use an electronic signature app. This way, your signature will appear valid and trusted. Here are some software tools to choose from:
Digital signature is encryption technology (mathematical algorithms) used in creating electronic signatures. It is not a valid signature on its own, but rather an addition to an e-signature. In EU countries, it is an essential component of advanced and qualified electronic signatures.
By encrypting the document and the data it contains, we can prevent others from modifying the contents of the document. Thus, digital signature is a security measure. What’s more, when such encryption is used, a private key that the signer has allows to confirm that it is he/she who signed the document.
Digital signatures have three main characteristics:
A digital signature should not be confused with digital signature certificate. It is a document which is issued by a trusted authority and certifies that you are the owner of the public key to your digital signature. Digital certificates are only valid for a limited time.
There is a variety of digital signature software that allows making a digital signature online. You can pick a digital signature app or solution from the list below.
Now we hope that you have no problem telling email signatures apart from electronic or digital signatures. To sum it all up, we’ll say that email signatures are a formal (or informal) way to conclude your email. While it is legally required in many countries that you have one, an email signature is not a legal term itself.
On the contrary, an electronic signature is a legal concept. Simply put, it is a digital substitution for your handwritten signature. Although it is sufficient in many cases, some countries require a digital signature as well. It means the encryption measures taken to secure your signature and “seal” the data that you acknowledged with it.
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