PluginScout

ZDN Whitelist Outgoing Email — WordPress Email Plugin

by cuongquach · WordPress.org page · Website

v1.1.2 Tested up to WP 7.0.4 PHP 7.4+

ZDN Whitelist Outgoing Email has fewer than 10 active installs on WordPress.org and 126 downloads all time. We have tracked it since September 4, 2026; download trends appear after 30 days of data. The last update was on July 14, 2026, tested up to WordPress 7.0.4.

ZDN Whitelist Outgoing Email at a glance

Active installs
fewer than 10
Total downloads
126
Downloads, last 30 days
available after 30 days of tracking
30-day growth
tracking since September 4, 2026

Is ZDN Whitelist Outgoing Email well maintained?

Support threads resolved
No open threads
nothing waiting on the WordPress.org forum
WordPress compatibility
Behind
tested up to WordPress 7.0.4, not yet with the current 7.1

Features

The feature list from the plugin's own readme on WordPress.org, trimmed to the essentials.

  • Whitelist-based filtering — only allowed email addresses receive emails
  • Wildcard domain support — allow entire domains with *@example.com
  • Fallback replacement — non-whitelisted recipients are replaced with your fallback address
  • Traceability — the original email is preserved in the display name (e.g., [email protected] <[email protected]>)
  • Outgoing email logger — capture To, subject, body, headers, attachments, and errors in a custom table
  • Filtered badge — logs show when the whitelist rewrote recipients and what the original address was
  • View / resend / delete — inspect HTML or raw bodies, resend a message, or clean up bulk rows
  • Retention rules — auto-prune by max row count and/or age
  • Highest priority filter — hooks at PHP_INT_MIN so filtering runs before any other mail plugin; logging runs last at PHP_INT_MAX
  • CC/BCC filtering — also filters CC and BCC headers
  • PHP error log option — optionally log replacements to the PHP error log

Details

Restrict outgoing emails to a whitelist and log every message. Non-whitelisted recipients are replaced with a fallback address. Ideal for dev/staging.

The full description, screenshots and every review live on the WordPress.org page.

Rankings ZDN Whitelist Outgoing Email competes in

Tags

  • email
  • filter
  • logger
  • staging
  • whitelist

More from cuongquach

Version
1.1.2
Last updated
Jul 14, 2026
First published
Jul 14, 2026
Requires WordPress
5.0
Tested up to
7.0.4
Requires PHP
7.4
Pricing
Free on WordPress.org

ZDN Whitelist Outgoing Email FAQ

What does ZDN Whitelist Outgoing Email do?

According to its WordPress.org readme, ZDN Whitelist Outgoing Email offers Whitelist-based filtering — only allowed email addresses receive emails, Wildcard domain support — allow entire domains with *@example.com, Fallback replacement — non-whitelisted recipients are replaced with your fallback address, Traceability — the original email is preserved in the display name (e.g., [email protected] <[email protected]>) and Outgoing email logger — capture To, subject, body, headers, attachments, and errors in a custom table.

How many active installs does ZDN Whitelist Outgoing Email have?

WordPress.org reports fewer than 10 active installs for ZDN Whitelist Outgoing Email as of September 7, 2026.

Is ZDN Whitelist Outgoing Email still maintained?

Yes. The last release was on July 14, 2026 and it is tested up to WordPress 7.0.4.

Is ZDN Whitelist Outgoing Email free?

ZDN Whitelist Outgoing Email is free to install from WordPress.org. Many plugins also sell a paid version or add-ons.