The best thing about send grid was that it allowed me access my data from anywhere I go using any device (mobile or desktop).
It also made sending out mass mailings easy for us as an organization! There were very few things we didn't like but those are minor details when compared against everything else this product did right!! We used them mostly internally so they weren’t always available outside of normal working hours which could have been improved upon if there had ever really needed too much attention during off times.