You would have to write a customization that implements custom validation to check the value of the email to determine if it is allowed or not.
We have a tutorial on using the gform_validation hook which you can find here:
http://www.gravityhelp.com/documentation/page/Using_the_Gravity_Forms_%22gform_validation%22_Hook
If you are using the User Registration Add-On this would change the hook you would need to use although you would implement it in similar fashion. That hook would be:
http://www.gravityhelp.com/documentation/page/Gform_user_registration_validation
If this type of customization isn't something you are capable of doing then you may need to hire a developer with Gravity Forms customization experience to implement it for you. Here are some developers we can recommend:
Ounce of Talent
http://www.ounceoftalent.com
Raquel Kohler
raquelaraujokohler@gmail.com
WebDevStudios
http://www.webdevstudios.com
Scott Kingsley Clark
http://scottkclark.com
Out of those Raquel will probably have the best availability as she typically takes on smaller projects.
There is a larger list of developers with Gravity Forms experience here (although I can't guarantee they all know what they are doing):
http://wpcandy.com/pros/experienced/with-gravity-forms
Posted 13 years ago on Friday September 23, 2011 |
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