Non-existent email addresses come in two forms – those with valid domain names and those with invalid ones. However, some common issues you want to be on the lookout for include: Verifying an email addressĪ lot of different factors can go into verifying an email address, the number, and scope of which are best left to individual applications. This guide is going to focus on the first part of the problem (making sure that the given email address exists.) If your application needs to verify ownership of an email address, you probably won’t be able to escape sending an actual email to the user. Ii) Ensure that the email belongs to that particular user. Applications need to be able to verify email addresses in order to: #Verify email address without sending email gmail verification#If the requirements for your application are less prohibitive, you could even get away with simply detecting whether there’s an sign in the provided email address.Įmail verification is a different problem on its own. All you need is a simple regex and you’re fine. Most applications can, however, get away with being a bit stricter than the specification allows in order to weed out bad actors.Įmail validation is a relatively simple problem. In the strictest terms, a valid email address should correspond to the RFC 2822 specification. Validation only ensures that the email address provided by the client is syntactically correct. The simplest way to weed out bad email addresses is by validating them. However, this might not be enough for a lot of systems. Most systems implement this functionality by running a simple regex check against the email address for syntax validation and sending an email to the user-provided address. However, they are fraught with all manner of issues – from spam accounts to blatant trolls, perpetrated by bots and other malicious actors.Īll user-provided input should be validated before being saved to the database, and doubly so for email addresses, considering the important role they serve. Verifying an Email Address Without Sending an Email in NodeJSĪlmost every platform on the internet needs to be able to uniquely identify its users, and email addresses are the most common mechanism for achieving this.
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