I'm not convinced about the need for SendGrid. Learning to set up an email server isn't that hard in this day and age, and we seem to get very decent deliverability with our own SMTP server - and don't pay a penny for any emails sent. I'm planning to build an email subscription feature for swombat.com soon, and was looking at options like SendGrid, but I just can't justify the cost. When you send people a sign-up con…
you get decent deliverability now - what are you going to do once that stops happening? one of the points of SendGrid is that you pay them to worry about that, so you can concentrate on your core competency.
Where are you getting that from?
I see nothing on the SendGrid page to suggest they track your blacklist status or feel obliged to help with unlisting when it happens.