I am trying to find a solution that can handle messaging via email.
When a user creates a message in my application, an email is sent using subject #4857474.
Then, the email recipient can reply, without changing the subject, and my application would know what message it used, based on the #id in the subject.
Now, I do not want to implement such service because its rather complex. What I am looking for is a service that provides this, and just calls my web services for a request when a new message has arrived.
Is there such thing? Thanks!
In the smtp standard there are two header fields that can be used for this:
message-idandin-reply-to.Assign a unique message id when you send the mail, then inspect the in-reply-to field in messages you receive. Since the field is hidden from user input, there is no risk that the user messes with it.