Show HN: CustomFrom – send from your own domain in Gmail after "Send as" ends

Category: devtools

Tags: gmail-extension, email-sending, custom-domain, browser-extension, email-api

Score: 5.0/10 (Innovation: 5, Technical: 5, Documentation: 6, Utility: 5)

CustomFrom is a browser extension that restores the ability to send emails from a custom domain within Gmail after Google removed the 'Send as' feature. It works by directly calling email provider APIs (Resend, SES, Postmark, Mailgun) from the browser, avoiding third-party servers and keeping API keys local. The project targets individuals and small businesses who want professional email without Google Workspace, filling a niche gap left by Google's policy change.

Target audience: individuals and small businesses using Gmail with custom domains, developers managing email infrastructure

Repository: https://steadytabs.com/customfrom

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