Paolo Rossi (Ipalo)

Checkmail Validation for Contact Form 7 add the double check email field to your form and verify email match with the CF7 Ajax validation.
<h4>Double email check</h4>
This plugin add a new field in Contact Form 7 called “Checkmail” that allow to do a double email check when submitting the form. The new field will ask to users to confirm their email by typing it into a second field.
If you want to do this in your form, you only have to add the “Checkmail” field into the CF7 form and enter the email field name you want to check. The validation is done by the CF7 Ajax-powered style: when submitting form CF7 will do the double email check, if not match returns error and ask to users to verify the email addresses.

Checkmail validation for Contact Form 7

Add a double email check field to Contact Form 7.

AcyMailing Newsletter Team

AcyChecker is a mailing list cleaning service (email checker) created by the AcyMailing (a WordPress newsletter plugin) team.
This email checker allows you to improve the deliverability of your emails, to reduce your costs or to keep a good reputation by using its WordPress (or Joomla) plugin or its API.
This email checker allows the verification of emails at different levels:
<ul>
<li>Domain and SMTP check</li>
<li>Role email checker</li>
<li>Disposable email checker</li>
<li>Free provider</li>
<li>Email format checker</li>
<li>In-depth tests</li>
</ul>
Why should you clean up your mailing list with an email checker?
1 – Improve deliverability 
2 – Have a good reputation 
3 – Reduce your costs 
4 – Improve your open rates 
5 – Avoid bounces

Anti Spam and list cleaner – AcyChecker

Block fake accounts and delete users using a fake email address

Checkmail validation for Contact Form 7 vs Anti Spam and list cleaner – AcyChecker