Minimum $25 per month is not a good deal for many customers like me. Sometimes clients send $9-15 per month emails from their sites, sometimes $50 worth (with m

Minimum $25 per month is not a good deal for many customers like me. Sometimes clients send $9-15 per month emails from their sites, sometimes $50 worth (with mailgun). I don't want to pay a fixed price like $25 when I may only use 1/5 of it.