Message Delivered

You have helped the recipient of your message keep their inbox clean.

Sendio Opt-Inbox, protects email inboxes from unwanted and malicious messages.

Sendio Opt-Inbox provides a modern approach to email security and productivity that scales, offers deployment flexibility, and provides an unmatched blend of user control and machine learning.

Here's how it works

Re-live the challenge process

Send an email to Sendio and experience the Opt-Inbox process again.

View pricing

From small business to enterprise, we have options suited to your organizational needs.

Learn more about Opt-Inbox

Visit the Opt-Inbox page for a full rundown of all the features, benefits, use cases, pricing, and more.