#### Issue Summary Borrow the file from [sendgrid-java](https://github.com/sendgrid/sendgrid-java/blob/master/TROUBLESHOOTING.md) and modify it to fit this repo! Please make sure you show how to output the SMTPAPI header
Issue Summary
Borrow the file from sendgrid-java and modify it to fit this repo!
Please make sure you show how to output the SMTPAPI header