My company (MailChannels) sends email on behalf of more domains than any other transactional email provider (see https://trends.builtwith.com/mx/transactional-email/traffic/... ) because our customer base is hosting companies rather than individual senders. The whole transactional space has matured in the past year with SendGrid's acquisition by Twilio and Mailgun passing through a couple of different private equity…
The thing that annoys me is the standard operating procedure in tech is to offer stuff for free until a bunch of people depend on it and then to start charging as much as you possibly can once there's a large enough customer base that a reasonable percentage won't have any choice but to bear the updated costs. Mailgun did a pretty nice job by offering a pay-as-you-go tier, but they still took features from the free p…
Yes, spammers are a big issue for all ESPs (my own biz in this space is no exception), but no need to throw the baby out with the bath water.