For example, I maintain a popular email sending library (Nodemailer) and if I could get a penny any time some user files an issue with something that is clearly basic for anyone who has ever even touched email, I would be quite wealthy. All these people are good match for a service like Resend, they just want to send mail for a reasonable price and do not care the slightest of what is going on under the hood.
I find it hard to believe there are a ton of this persona calling shots on what email service to be paying for..
Cloudflare via MailChannels is virtually free: https://blog.cloudflare.com/sending-email-from-workers-with-...
It lacks tooling / observability that a marketer would want though.
https://developers.cloudflare.com/pages/platform/functions/p...
We use it and don't plan on switching for a few reasons, but I would not recommend it to most folks.
We’ve found deliverability to correlate directly with the price of the service we’re using.
The cheaper the company offers access to a sending IP, the lower the quality of people using it, since price is the number 1 factor for spammers (a necessity since untargeted cold email spam has low conversion rates).