What I actually mean is that you probably should not try to build your own SendGrid on top of Nodemailer. You might try and it might even work but you probably

What I actually mean is that you probably should not try to build your own SendGrid on top of Nodemailer. You might try and it might even work but you probably should not. If you want to send 10 000 e-mails at once, then it works just fine. If you want to send 10 000 000 messages from a for loop then it probably breaks.