Showing posts with label inbox monitoring. Show all posts
Showing posts with label inbox monitoring. Show all posts

Call for Deliverability Monitoring Vendors: Postmastery

Hey, deliverability monitoring vendors! I know you're out there, and I don't know a lot about many of you. Do you manage a service that does inbox deliverability testing, seedlist testing, inbox monitoring, or similar functionality? Feel free to drop me a line and let me know a little bit about your product or service, and I'll publish it here. 

First up -- Willem Stam has kindly provided the following information about Postmastery:

Other Deliverability Monitoring Vendors?

Besides Return Path and 250ok (now both owned by Validity), and eDataSource (now owned by SparkPost), here are three other deliverability monitoring vendors, as shared by kind commenters on my previous post: