Added mail validation function to Contact Form 7. Protected by rejection filter, RFC filter, and DNS filter.
As of April 2026, Email Validation Filter for Contact Form 7 is a WordPress spam plugin with 300 active installations and a 0/5 rating0. It has been downloaded 2.7K+ times in total. Requires WordPress 5.0+ and PHP false+. Available on WordPress.org since 2022. Last updated 1 year ago — may have compatibility concerns. Top alternative: Akismet Anti-spam: Spam Protection.
Email Verification Filter for Contact Form 7 provides additional functionality to Contact Form 7’s mail verification feature.
To use it, you need to install Contact Form 7.
The following three filters are provided, and this plugin will work after Contact Form 7 has been validated.
Specify the email address or domain of the user you want to reject, and restrict submissions from the form.
The target users can be the email addresses or domains specified in the administration screen.
Restrict form submissions from email addresses that do not conform to RFC specifications and requirements.
A period [.] is the first character, an at mark [.] is the second character, and so on. is used at the beginning, before an at mark [@], or consecutively.
| WordPress | 5.0+ requiredTested up to 6.7.5 |
| PHP | false+ required |
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