Germany instructs businesses to mention their company name, registration number, place of registration, etc.However, there are different countries which have made it mandatory to use the email signature in a specific manner, and the business owner has to abide by these instructions. If you are using an email manager like Outlook configured with Office 365, then also you can add an Email signature to your emails.
Many times, it appears like an original business card and shows all the information about your business. You can say it is a business card which you are attaching with your email message. It tells the reader about your professional email, contact number, logo, website, etc. An email signature after your email text represents the identity of the sender.