Send secured messages directly from Gmail™
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Listing updated:January 26, 2025
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Overview
Secure outbound transmission of sensitive data.

As part of the Coro security platform, Secure Messages seamlessly integrates with your existing email account, allowing you to send sensitive information and documents with robust encryption, recipient-only access to the message, certified proof of email delivery, and built-in anti-malware verification.

The Secure Messages add-in allows users of Gmail™ to send Coro-secured messages with attachments. The recipients of the secured messages are notified via email. Only the intended recipients can access the emails via the Secure Messages web portal.

Gmail™ is a trademark of Google LLC
Additional information
PricingFree of charge
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Non-trader
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Secure Messages for Gmail™ will ask for the permissions shown below. Learn more
Secure Messages for Gmail™ will need access to your Google account
This will allow Secure Messages for Gmail™ to :
Manage drafts and send emails when you interact with the add-on
View your email message metadata when the add-on is running
Run as a Gmail add-on
View your email messages and settings
Connect to an external service
View your country, language, and timezone
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
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Matthew Howell
July 13, 2025
I needed to open a support ticket because the extension was giving me an error message. A support representative responded quickly, asking me to provide a workspace ID. I replied to the support representative that I was never told I needed a workspace ID to use the extension. To my complete surprise, I received a follow-up email that was automatically generated by their algorithm. That email informed me that my support ticket was being closed. I never received an answer from the support representative about whether I needed a workspace ID to use the browser extension. I have better things to do with my time than deal with faulty support algorithms that erroneously close support tickets. Furthermore, I will be uninstalling the browser extension and will not be dealing with this company going forward.
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