Postmark would cost us around $10k a year. I spend maybe 10 to 20 hours in a year dealing with the server and deliverability issues. It's not clear to me that P

Postmark would cost us around $10k a year. I spend maybe 10 to 20 hours in a year dealing with the server and deliverability issues. It's not clear to me that Postmark could improve our deliverability much either, as it is already pretty good. How much did it improve for you?