Send message via multipart/form-data with trackingOptions[opens]=true

Question and Answers
1

Hello

we are switching from sending messages via JSON call to multipart/form-data to solve 3MB limitation. Previously we enabled trackingOption "opens” and it worked fine. However when sending same data as multipart in “message” key the tracking is not enabled. How can this be achieved with multipart/form-data?

Thanks

Marco

2

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