SMTP Zen Updates [Week 49 / 50]

Dear Peerlisters!

To keep our service transparent and collaborative, we want to keep you informed about the new features, updates, and improvements we’re making to SMTP Zen.

Each update is designed to make your email journey easier, more secure, and simply better.

Below is a categorized summary of our most recent enhancements and new additions:

Security and Abuse Prevention

• Added new security restrictions to free trial accounts to prevent abuse and protect IP reputation and service quality for all users.

• Introduced mandatory account verification.

• Added Cloudflare Turnstile challenges to reduce bot-driven abuse.

• Shipped V3 of our Anti-Spammer measure pack.

• Continued improvements to system and server-side security.

Trial and Plan Improvements

• Added an optional trial mode to help users avoid free-trial send limits when appropriate.

• Launched the new "Relay Only" plan based on customer requests.

• Enabled faster, simpler plan upgrades directly from the control panel.

Deliverability and DNS

• Added new enforcement for DNS record setup, verification, and authentication to strengthen domain integrity and improve deliverability.

Compliance and Privacy

• Added mail opt-in features and GDPR support.

Product Experience

• Implemented multiple UI and UX improvements for a smoother, more intuitive experience.

Documentation

• Updated our docs to reflect the latest changes and best practices.

Thank you for being a valuable customer.

SMTP Zen Team