# double-opt-in/5.6.1/src/Frontend

Double Opt-In for Contact Form 7 – Secure, GDPR-Compliant Email Verification, version 5.6.1. 1 entry.

- Page: https://pluginprobe.com/plugins/double-opt-in/5.6.1/code/src/Frontend
- Release archive: https://downloads.wordpress.org/plugin/double-opt-in.5.6.1.zip

- file [ErrorNotification.php](https://pluginprobe.com/plugins/double-opt-in/5.6.1/code/src/Frontend/ErrorNotification.php)

Append `?format=md` to any of these, or send `Accept: text/markdown`, to read them as
Markdown. Add `/raw/` in place of `/code/` for the file with no wrapper at all.