Inbound email in Rails apps with Fuik

Fuik, a Rails engine for webhook handling, can also process inbound emails without requiring Action Mailbox, ActiveStorage, or ActionMailer. Email providers like Postmark, SendGrid, and Mailgun POST inbound email data as webhooks. With Fuik, you install the gem, generate a provider class, map payload fields (To, From, Subject, TextBody), and add routing logic to handle different recipient addresses. The setup is minimal and works with any provider that delivers inbound emails via webhooks.