Postmark product manager here, so I'm a little biased but... yes we are! You can see our Time To Inbox stats on our status page: https://status.postmarkapp.com/
Thanks for the heads up. You guys do a good job on documentation. A little redundant on the marketing side, but overall very clear. That migration guide is very well-done/thorough.
Postmark product manager here, so I'm a little biased but... yes we are! You can see our Time To Inbox stats on our status page: https://status.postmarkapp.com/
We also have a handy migration guide here: https://postmarkapp.com/migration-guides/sendgrid