In most cases, to avail of a service provided on the online platform, it is a prerequisite nowadays for the consumer to have an active email address. With each registration using the same email address, the chances of getting spammed increase, and it is never a desirable situation to have an inbox clogged with spam email. To address this issue of mail users, some online services offer free disposable email addresses (or DEA).

As indicated by the title “disposable”, these are the email addresses that can easily be thrown away, without losing any contacts, and protecting the user’s main email address. The utility of the disposable email address is in giving the user the choice of an alternate email address that they can register with at different sites. Thus, the businesses will hence get the user’s disposable email address as a point of contact and not the real/main address.

Introduction of disposable email addresses

Disposable email address is quite an innovation which has become popular recently. The oldest rendition of the service was the email aliasing option provided by Gmail. The algorithm of the aliasing then was to introduce add a period or plus sign in any part of the email to distort the email to an extent and use that distorted email as an alias email while registering for different websites.

This was probably the crude concept behind the novel idea of disposable email services. Nowadays, numerous sites offer services in setting up a unique disposable email account, like Temp Mail, Mailinator, and Airmail, to name a few.

Why is it important for businesses to identify DEAs?

Businesses and websites with free plans and services don’t want a user to abuse their free plan benefits by providing multiple disposable email addresses and using the free plans repeatedly. The emails also serve as a means to encourage customers to avail of their paid services after the trial period is over. This is no longer a viable option when customers provide disposable email addresses, and hence it has become a necessity for businesses to detect them.

How to identify them?

With technological advancements, intricate software has been set up to flush out disposable email addresses from being registered onto a website. A few of the most popular applications for the same are described below.

  • 1. DeBounce: One of the easiest ways to detect a disposable email address is by implementing a third party API program. DeBounce is a service that makes using the API a piece of cake. DeBounce doesn’t allow bounce, spam-trap, disposable and deactivated emails to decrease the sending score, wasting your time and money.
  • 2. NameApi: NameApi is a web API that helps detect people’s official names through the software. The DEA detector is part of a larger software that is not released on a public platform and helps classify and validate email addresses.
  • 3. Email validator: As evident from the name, the email validator helps to identify and block disposable and throwaway email addresses through its Email Address Online Verification API. Its workflow includes the processes of syntax verification, DNS validation, DEA detection, etc. and proves to be one of the best DEA detectors.
  • 4. FormGet: It identifies a disposable email address using PHP. It is a three-step process that begins with an email-id check through which all possible disposable email addresses are stored in a text file. Then a domain check is performed, disallowing the users who use invalid domain itself. The last step is a ‘disposable site domain check’ which matches domains and domain patterns of all disposable email service providers and any email address found with such a domain will not be allowed to register.

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