ryanshoover

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Simply define your production url in settings and copy your site to your staging instance without fear. The staging site won’t send any emails and won’t process any payments.
<h4>Why should I use the plugin</h4>
If you host your site on a managed host that provides a staging instance (WP Engine, Siteground, and others), or if you run a staging instance for a self-hosted website, you may have found that WordPress and WooCommerce will automatically send emails and process payments from the staging site. Whenever you clone your production site to your staging site, you would normally need to complete a number of steps to make your site “safe for staging.”
Instead, install this plugin in production, set the production URL, and safely copy your site to and from staging. No other steps needed!
<h4>Features on Staging</h4>
<ol>
<li>A “noindex” tag is added to all pages. Your staging site won’t show up in Google.</li>
<li>WordPress emails are stopped. The site won’t send any emails except for the password reset email. Please note, this feature may not be compatible with plugins that offload email to a 3rd party service.</li>
<li>The WooCommerce checkout page has a warning message notifying the visitor they are viewing the staging site.</li>
<li>WooCommerce payment gateways are suspended. Bank account transfer, Cash on Delivery and Check are left enabled. Stripe is automatically put into test mode.</li>
<li>WooCommerce Subscriptions is put into staging mode.</li>
</ol>

Safe Staging

My client did something that suddenly started sending emails from the staging server for their membership site. This plugin allowed me to kill the emails from sending and backtrack the issues caused before it got out of hand. 

This saved my client

Safely copy your WordPress, WooCommerce, and membership site between production and staging.

Md Mostafizur Rahman

Local Email Blocker is a lightweight WordPress plugin designed for developers and staging environments. It prevents WordPress from sending actual emails, instead intercepting them and storing them in your database for easy viewing. This is crucial for local development and staging sites where you don’t want test emails to accidentally reach real users.
Features:
<ul>
<li>Automatic Blocking: Automatically detects local development environments (localhost, .local, .test, .dev) and blocks emails.</li>
<li>Manual Blocking: Option to manually enable email blocking, perfect for staging sites.</li>
<li>SMTP Override: Can be configured to block emails even when an SMTP plugin is active, ensuring no emails escape.</li>
<li>Email Log: All intercepted emails are logged in the WordPress database, accessible via a dedicated admin page.</li>
<li>View Email Details: Easily view the full content, headers, and attachments of logged emails.</li>
<li>Clear Log: Option to clear all logged emails.</li>
<li>SMTP Status Detection: Provides information about your current SMTP configuration.</li>
</ul>
This plugin ensures that your development and staging processes are clean and free from unintended email dispatches, while still allowing you to inspect what emails would have been sent.

Local Email Blocker

Blocks outgoing emails in development environments and logs them for review.

Safe Staging vs Local Email Blocker