Contact Form 7 is one of the most used and WordPress Plugin with with millions of users presence over the web.
However, here is solution for this and just launched ' CF7 Custom Error Messages plugin.
CF7- Custom Error Messages plugin doesn't make use of any type of jquery customization.
You just need to add Messages from admin according to your required fields in your CF7.
In order to use this plugin, make sure your Contact Form 7 is activated..
Either Open https wordpress org plugins cf7-Custom-error-messages, which is WordPress Plugins directory page, or upload all files to your site's server click on the button the page..
You will find tab added to your Contact Form 7.
You can set Custom Error Messages from here, for all the fields added to your contact form...
Small correction that i might add regarding the email type fields is that you don't need the else case in the file cf7-custom-error-message php on line 128.
Browse the code, check out SVN repository, or subscribe to the development log by RSS...
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