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diego3g / umbriel

✉️ Umbriel is a simple mailing platform built with Node.js, TypeScript & Prisma.
MIT License
521 stars 74 forks source link

Filter false email opens on GMail #92

Closed diego3g closed 3 years ago

diego3g commented 3 years ago

https://stackoverflow.com/a/57729879 https://www.gmass.co/blog/false-opens-in-gmail/