Normally, we use SMTP client to send the mail based on the requirement. Sometimes we need to track the mail which is being sent to client or different stakeholder and we wanted to assure that the mail is delivered successfully or if it's not delivered then what goes wrong with it, apart of this we look for the report where we wanted to know that weather that mail has been opened,clicked or read by recipient or not. There can be requirement of transactional emailing solution or mass mailing. If we get the following features covered with any third party we can opt it in-spite of having own mail server and developing on own mail delivery solution: RESTful API to add an email message into the send queue Prioritize the mail The third party solution should be able to manage both transaction and mass email Should be able to process the mail and capture all delivery event Should support VERP,DKIM feature Should notify back if it's unable to deliver the mail aft...
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