The email list verification is a method of determining whether your list of email addresses is correct and deliverable. This service verifies the deliverability of an email address. Typically, this service is allowed as a hosted software/services wherein you are provided a dashboard to upload a list of email accounts as CSV, and as an output, you get a clean list of emails.
The legality of an email address is evaluated through a combination of several validation methods like Domain/MX records check, Email address syntax check, Role-based Account detection, Disposable Email Address (DEA) detection, HoneyPot/Spam trap detection, etc. In this fashion, all invalid email addresses will be cleaned out and the outcome will be a validated email list that can be used for the marketing and business demands.
Why is Email List Verification required?
You may have gathered your email subscribers from completely legitimate sources (like the subscribe form on your website) but chances are that not all your email IDs are valid. According to Jupiter Research, more than 20 percent of email registrations contain typos, syntax, domain, and other errors. Doing something as simple as sending to an old list where a specific threshold of email addresses bounces can set off your ESPs (Email Service Providers) threshold. And to add to it, bots keep pushing SPAM trap email addresses through systems every day.
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