Email Validation is basically a process which checks to make sure that the email is valid and deliverable. It runs a quick check to catch errors, whether they're intentional misdirection or just simple typos. It also checks whether an email address exists in a trusted domain like Google or Yahoo with a trustworthy email service provider like Gmail or Yahoo. If the information provided by these two methods is not correct, the email service will not be able to proceed with the request. The email will be categorized as spam and you will not receive any message from the sender. Discover more about this service by visiting: https://emailoversight.com/. There are different ways to validate an email list. You can validate it with real-time data obtained with the API. This makes the verification a lot faster and gives more accurate results. There are different ways to access the API. The common ones are listed below: Real time access - Google, Yahoo, and MSN provide this functionality for the API. For the verification process to work, the following things must be present: The clean email list, The verification process itself, The domain of the sender, The email deliverability record, The sender's reputation. These things must be present and updated at every time you do an API request. If one of these things is missing or not present, the result will be invalid and the validation process will not work. It is crucial for you to create and maintain a clean email list for this part of the process to work properly. Look at this article for details about the email validation service providers. API data obtained using smtp servers - Many SMTP servers are used nowadays and each of them have their own set of standards and their own rules for validation. In order to get data from any of these smtp servers, you need to know the hostname of the server, the domain name, the IP address, the port number, and the username and password. The information that you receive from the server can be used to check the email addresses that have been typed. However, some of these SMTP servers might have their own set of specifications which cannot be directly used when doing an API validation. Email delivery tracking - If your website relies on email to deliver the product, you need to validate emails before delivering them to your customers. It makes sense to build a clean email list first before subjecting it to spam. This will help you check if the emails have been subject to spam, the size of the emails, how many times they were opened, and what the open rates for the emails are. For this reason, you should also build and maintain a reputation management system that allows tracking of reputation updates and corrections as well. By doing this, you will get details on the number of emails that have been corrected by the service and the number of emails that haven't been corrected. Use a CUSD file - When you are setting up your own email verification service, make sure that you upload the CUSD file that was created for validating email addresses. This way, your users will be able to do the validation themselves. Just be sure that you verify the file before uploading it or else your users could encounter a spam trap. The CUSD file will include the subject line, the sender's email address, the body of the email, and the IP address. Although there are free services for this, it is best to spend a little bit more and download a good verification tool to prevent yourself from encountering a spam trap. Check out this post to get more info on the topic: https://www.encyclopedia.com/science-and-technology/computers-and-electrical-engineering/computers-and-computing/e-mail.
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