Validating an email address is a crucial step in ensuring effective communication and preventing potential security risks. It involves verifying whether an email address exists and is associated with a valid recipient. There are several methods to check the validity of an email address, each with its advantages and limitations.
In this article, we will explore the importance of email validation, discuss various techniques for checking email validity, and provide practical tips to implement these techniques. We will also touch upon the historical context of email validation and its evolution over time.