Authenticator.io helps individuals and businesses authenticate custom domain email addresses for secure 'send as' functionality in Gmail.
Secure email authentication
Reduced spam marking
Professional communication
4×
5-Yr Growth
Medium
AI Confidence
A simple, user-friendly tool that sets up proper SPF and DKIM records to ensure emails are sent securely and are less likely to be marked as spam.
Secure email authentication
Reduced spam marking
Professional communication
Easy setup process
Improved email deliverability
AI confidence: medium
Year 1
500 users
Year 3
2K users
Year 5
5K users
A multi-channel strategy focused on sustainable, compounding growth.
People are facing an issue where they can no longer reply using their custom domain email address when using 'send as' from a free Gmail account due to failing SPF and DKIM authentication.
A simple, user-friendly tool that sets up proper SPF and DKIM records to ensure emails are sent securely and are less likely to be marked as spam.
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