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Email validation - Battle spam and prevent typos

Last updated: 02 April 2020

With Joomlatools Connect you can validate email addresses. Email validation is, at present, supported in LEADman.

Validating email addresses is especially useful to battle spam and prevent users from making typos in their email address when they try to contact you.

Connect performs a three-step validation check, including checking to make sure the address is valid against the mailbox provider.

Validation based on billions of sent emails

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 so based on real-world data + RFC spec to ensure more accurate validation.

Custom ESP grammar

All major ESPs have their own set up custom grammar that impacts whether-or-not 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.

“Did you mean gmail.com?” and other 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 validator. When we have a suggestion for a common typo, we’ll return it along with invalid status, so you can offer the suggestion to your user.

Email validation

Avoid high-risk addresses

Our email validation API is your first line of defence against high-risk recipients. When validating an email address, we check for role-based addresses and/or disposable email domains.

Other great features

  • DNS look-ups
  • MX and A-record look-ups
  • Parsing of multiple email addresses into local part and domain