E-mail personalized the return

[Erisa]

Welcome to the Cloudflare Community.

This is not a natively supported feature in Email Routing.

You may however consider a workaround with Gmail as outlined here:

Solved: How-To Use Gmail SMTP to Send FROM an Email Address which uses Cloudflare Email Routing

STEP 1. Make sure you have 2FA enabled… For this method to work, you need to have two factor authentification enabled for your Google account. If it’s not, follow the link below and set it up → Enable 2FA in your Google account… STEP 2. Also in your Google account, create an App Password for Mail → Create an App Password… (You will copy and use this password later along with your Gmail address in the Google SMTP server settings “Add another email address” form)… Select “Mail” for the app. Se…