Mailgun node custom data

How to set custom data, like reply-to with mailgun node?

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This is necessary for a large number of use-cases, for example to transfer analytics variables:

Hey @maxbaluev!

Welcome to the community!

It is currently not possible to send a header with the Mailgun node. However, until this capability gets added to the node, you can use the HTTP Request node. I am updating this post to feature request.