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Implementing email validation
Click here to see how we do it!

Implement The Form Validator into a web form adds only one (1) line of html code!

The Form Validator has been installed into this form by adding the single html line colored in red. Please give special attention to adding the "onSubmit" method inside your form tag. The items in blue are parameters (instructions) passed to The Form Validator which indicate your registered domain name (r=) and the form element name that you're are using to capture the email address (e=).

<script language="JavaScript"
src="https://ssl.4i4.net/validator/?r=yoursite.com&e=address_email&speak=y"></script>
<form name="form1" method="post" action="/" onSubmit="return validate(this)" >
<input name="address_email" type="text">
</form>
 
  email address 

You can cut & paste the above form into your web site and experience the web service.

The Form Validator is controlled by the url parameters passed to it on the <script> line.

  1. r= required and must be set to your registered domain name. The value must match the domain from whihc the the form is served.
  2. e= identifies to The Form Validator the name of your email form field. In the example the form contains a data input field called "address_email" into which people will type their email address. Setting "e=address_email" tells The Form Validator to use what ever is entered into that field as the email address to check with its internet email server lookup. If you have more than one form element which needs email validation you can include them all in the "e=" parameter separated by a coma which might look like "e=your_email,friends_email".
  3. ec= can be used in place of the e= parameter to cause an immediate confirmation email to be sent to the email address provided. This email contains a link for the user to click on. Upon clicking the link a confirmation signal will be sent to satisfy The Form Validator and allow the form to submit.
  4. be=n,n,y this is an optional parameter indicating "blank email" is yes, ok. Use this feature when you want to accept blank input. Use a comma separated list aligned with your field names.
  5. Optionally you can append the speak=y to the url. This enable the synthetic voice response.
  6. m=y signals The Form Validator to process multiple form field as opposed to validating the fields in the order that you request. All fields that you specify will be validated each time the form is submitted.

Note: The url for The Form Validator must start exactly like this: https://ssl.4i4.net/validator/?

Note! Javascript in browsers is case sensitive! Everything is case sensitive!
We highly, highly suggest you simply use lower case unless there is a mandatory reason otherwise .
Putting spaces in form field names will cause everything to fail.

Appended to the The Form Validator url you must provide your registered domain name that you submitted during your registration process in the form: r=your-domain.com

url parameters are always separated by the & symbol. Following your register domain name parameter you append the e= parameter and the optional be= parameter.

Email validation can be implemented together with all other validations The Form Validator offers.

Note: There are some limitations to validating all email addresses. For more details please review our limitations page viewable from the pull down menu.