I'm the author of Nodemailer. I'm not a native english speaker and I "borrowed" the tagline from a Node.js module by Marak Squires and didn't realize that "easy

I'm the author of Nodemailer. I'm not a native english speaker and I "borrowed" the tagline from a Node.js module by Marak Squires and didn't realize that "easy as cake" is not a widely used expression but something he probably made up himself.