E-mail validation in a hotspot environment can be tricky. To ensure that the e-mail box is valid and belongs to the user, the usual way is to send an email to the user where they need to click on a verification link. But in a hotspot environment, they cannot access their e-mail until they are logged in to the hotspot. So this kind of verification will not work.

What we can do is to use advanced email validation.

  1. Validation based on billions of sent emails: Syntax is only one part of whether an email is valid. RFC states the formal rules for email addresses. However, in the real world ESPs accept addresses that are not RFC-valid, and reject addresses that are. When we built our validator, we did based on real-world data + RFC spec to ensure more accurate validation.
  2. Custom ESP grammar: All major ESPs have their own set up custom grammar that impact whether an email address is valid in the real world. We’ve integrated custom grammar checks for Gmail, Hotmail, and Yahoo into our email validator and are always adding more custom grammar checks as we discover these rules.


    m+mailgun@gmail.com - Doesn’t meet Gmail’s local parts rules.
    michael….is….awesome18@gmail.com - Meets local parts rules because dots are ignored.
  3. Smart Suggestions: People make typos all the time. Gmail.com can easily become gmal.com and when it does, you can miss out on connecting with that customer. That’s why we built in a suggestion service into our email validation service. When we have a suggestion for a common typos, we’ll return it along with invalid status, so you can offer the suggestion to your user.

E-mail Validation Feature is working only in Responsive Skin.

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