Today we are releasing the first in a series of product changes to get us to the point where you can send all your email through Postmark. This release introduces the concept of Message Streams to the Postmark UI.
A Message Stream is a way to organize and separate your sending within a server. We know that some people use servers as environments, while others use it to separate clients, apps, etc. Message Streams give you an additional way to separate your sending and reduce the proliferation of servers on your dashboard.
Check out our blog post for all the details.