Responses for incoming message webhook have no content type

[smoyte]

Are you sure this is an issue with the Botkit core module?

Yes

What are you trying to achieve or the steps to reproduce?

Receive message from Twilio

What was the result you received?

11200 error, no content type given. curl shows there is no content type in the response:

< HTTP/1.1 200 OK
< Server: nginx/1.14.0 (Ubuntu)
< Date: Tue, 29 Jun 2021 15:17:06 GMT
< Transfer-Encoding: chunked
< Connection: keep-alive
< X-Powered-By: Express
< 

The request still works, but my Twilio console is littered with errors.

Is this my setup somehow or does this happen to everyone?

If these are empty responses, shoudn't they be 201 or 204?

Context:

• Botkit version: 4.6.1
• Messaging Platform: Twilio
• Node version: 12

[stale]

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