Newsletter – Office 365 Headers Removal is a lightweight WordPress add-on that cleans noisy Microsoft Office 365 headers from your email newsletters. It improves deliverability, readability, and brand consistency by stripping technical metadata before sending, keeping your messages clean and professional.
- Removes Office 365-specific headers from outgoing newsletters
- Works seamlessly with popular newsletter and SMTP plugins
- Boosts email deliverability and inbox placement
- Prevents exposure of internal routing and diagnostic data
- Keeps email source clean for better spam filtering scores
- No coding required—activate and it just works
- Compatible with WordPress multisite environments
- Lightweight and fast with minimal overhead
- Safe processing that preserves required RFC-compliant headers
- Supports transactional and marketing emails
- Granular control to enable/disable header cleanup
- Works with Microsoft 365, Exchange Online, and hybrid setups
- Improves brand trust with cleaner message metadata
- Developer-friendly hooks and filters
- Regular updates and WordPress best-practice standards