Hi there, am new to Hubspot smtp API. want to send an email by suing smtp of hubspot how can i proceed with this. I read the document and i found in 3 ways we can send emails from hubspot. I want to send an email from my application by using hubspot settings. So any suggestions on which method i can use. I thought i can go with SMTP API and not getting how to start this. Can anybody help me out with this.