5 Tips for Working with Email Addresses

5 Tips for Working with Email

1. Validate on Both Client and Server Side

Client-side validation improves UX, but server-side validation is essential for security. Don't rely solely on the HTML5 type="email" attribute.

2. Check Domain Existence

A syntactically correct email may point to a non-existent domain. MX record verification confirms the presence of a mail server.

3. Beware of Disposable Emails

Services like temp-mail create temporary addresses. Filter them during registration if reliability matters.

4. Regularly Clean Your Subscriber Database

Invalid addresses reduce mailing metrics and can lead to sender domain blocking.

5. Use Double Opt-In

Send a confirmation email after registration. This ensures the address is real and the user controls it.

Check addresses before sending with the Email Validator.

See also: Password Strength, IP Validator