The Newsletter Plugin - Office 365 Header Removal featured image

The Newsletter Plugin Office 365 Header Removal v1.0.7

Developer: The Newsletter PluginCategory: WordPress PluginsTrusted with 10 downloadsPro1 favoriteLatest v1.0.7Updated 2w ago

Removes hidden email headers to prevent Office 365 SMTP blocking when using The Newsletter Plugin with Office 365 servers.

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This addon for The Newsletter Plugin addresses a specific compatibility issue when sending emails through Office 365 SMTP servers. It removes hidden email headers that can trigger Office 365's SMTP blocking mechanisms, allowing newsletters to be delivered successfully without being flagged or rejected by Microsoft's email security systems.

Key Features

  • Office 365 SMTP Compatibility - Resolves conflicts between The Newsletter Plugin and Office 365 email servers that would otherwise block outgoing messages
  • Header Removal - Automatically strips hidden headers from email messages that trigger Office 365 security protocols
  • Seamless Integration - Works as an addon within The Newsletter Plugin ecosystem without requiring additional configuration
  • SMTP Plugin Support - Designed specifically for use with SMTP plugins that route emails through Office 365 servers
  • Prevents Email Blocking - Reduces the likelihood of newsletters being rejected or quarantined by Office 365 filters
  • Lightweight Solution - Minimal overhead addon that only modifies email headers without affecting other plugin functionality
  • Targeted Fix - Addresses the specific technical issue rather than applying broad email modifications

Best For

This addon is essential for WordPress sites using The Newsletter Plugin that send emails through Office 365 SMTP servers. It solves delivery problems for organizations that rely on Microsoft's email infrastructure and experience newsletter blocking or rejection issues. Install this only if you are actively using an SMTP plugin configured with Office 365 credentials.

Recent releases

Release history

View all 3 versions
v1.0.7LatestVerified Safe
Aug 28, 20261.1 KB
* WP 7.1 check
v1.0.6
Jul 21, 20241.2 KB
View changelog
* WP 6.6 check
Oct 3, 20231.1 KB
View changelog
* WP 6.2.2 compatibility

Frequently asked questions

Is The Newsletter Plugin - Office 365 Header Removal GPL licensed?
Yes, The Newsletter Plugin - Office 365 Header Removal is distributed under the GNU General Public License (GPL). You can legally use, modify, and redistribute it on unlimited websites.
What is the latest version of The Newsletter Plugin - Office 365 Header Removal?
The latest version of The Newsletter Plugin - Office 365 Header Removal on GPLCoffee is v1.0.7 (released Aug 28, 2026, 1.1 KB download size). Every new release is synced automatically, and subscribers can update directly from their WordPress dashboard with the one-click connector plugin.
How much does The Newsletter Plugin - Office 365 Header Removal cost on GPLCoffee?
The Newsletter Plugin - Office 365 Header Removal is available for $5.99 for a 1-year license or $15.99 for a lifetime license. Membership plans also include credit-based access so you can download The Newsletter Plugin - Office 365 Header Removal along with thousands of other plugins, themes, and PHP scripts for a single subscription.
Which WordPress and PHP versions does The Newsletter Plugin - Office 365 Header Removal support?
The current release of The Newsletter Plugin - Office 365 Header Removal requires WordPress 6.1 or higher, tested up to WordPress 7.1, PHP 7.4 or higher. Per-release compatibility details are listed in the version history.
Is The Newsletter Plugin - Office 365 Header Removal safe to download?
Yes. The latest release of The Newsletter Plugin - Office 365 Header Removal (v1.0.7) was scanned with VirusTotal and came back clean. Scan results are visible on each version page, and releases flagged as malicious are blocked from the catalog.

Auto-updates included

Install it once, update automatically.

The GPLC Connector installs this plugin from your wp-admin and rolls out new versions to your connected sites - up to 25. Included with 12-month and Geek Lifetime plans (plus legacy 6-month).