Build Two-Way Email to SMS with SendGrid and Twilio

This tutorial guides users through setting up a two-way email to SMS forwarding solution using Twilio SendGrid and Zeit. The process involves creating a shared inbox, sending inbound SMS messages to emails, and vice versa. Users need to set up their Twilio account, create a SendGrid API key, and configure MX records for the dedicated subdomain domain. They can deploy the application to Zeit Now using Quick Deploy or command-line setup. Once deployed, users can test the forwarding by sending an SMS to the Twilio phone number, which should receive an email with a reply link, allowing them to respond directly. The solution is simple and can be extended to support multiple inbox-to-phone number mappings using an array or database.

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