Commenters can receive email notifications of replies to their comments.
As of April 2026, Comment Reply Email is a WordPress email plugin with 500 active installations and a 4.7/5 rating from 15 reviews. It has been downloaded 15K+ times in total. Requires WordPress 4.0+ and PHP false+. Available on WordPress.org since 2020. Top alternative: WP Mail SMTP by WPForms – The Most….
This simple plugin automatically sends a notification email to commenters when someone replies to their comment. This feature can be enabled automatically by the site admin, or through an opt-in/opt-out checkbox below comment section on frontend.
It’s best to use it with an email-sending plugin like WP Mail SMTP, and with SMTP or transactional email service like SendGrid or Mailgun. Sending from your server via PHPmailer can cause deliverability issues (email notfications caught in spam).
I loved the original plugin Comment Reply Notification (by @denishua) for its simplicity but it was abandoned and stopped working years ago. So I forked and revived it to work with the latest PHP and WordPress. I also improved some wording, removed unnecessary author links in the email notification…
| WordPress | 4.0+ requiredTested up to 6.8.5 |
| PHP | false+ required |
[year] shortcode for use in email templates.comment_reply_email_content filter for developers to add custom shortcodes.Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.