Contact Form 7 signature (CF7 signature) plugin helps you to add signature fields.
Add a signature field to Contact Form 7
Add sign tag from wp-admin > contacts > slect form > add tag [sign]
Example: [sign your-sign]
Note: Never wrap with <label> tag.
Good:-
<label> Signature </label>
[sign* sign-568]
bad:-
<label> Signature
[sign* sign-568]</label>
Then add input field name [your-sign] in contact form 7 > mail > attachments section.
Form Email Testing Tool
- MailMug – YouTube Video
You can test email content and attached files also
Addons
This plugin compatible with contact form 7 database plugins
CF7 Database
