Mail been returned

Proudly, I recieved the mail tell me that Cloudflare Email Routing beta is now available for me. I tried the CER immediately, but there is something wrong perhaps.

I tried several times, When I send a test mail to my custom email addresse, the mail was returned. The reason is “host[] said: 502 5.5.1 Unrecognized command (in reply to RCPT TO command)”

How to solve the problem?


I can have a look, would you mind send me the domain name you are using (here or sven (at) cloudflare)?


The domain is
Thanks a lot.

Thanks, this is an error on our side. I have a fix for it and it’s going to be live by tomorrow.