What are some alternatives?
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Printix - Printix is a cloud-based print management platform.
SendGrid - Learn why more developers choose SendGrid for their email deliverability service to send transactional emails triggered by web apps. Get started for free
PrintNode - PrintNode offers cloud printing solutions for web applications.
Mailgun - A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java.
Papercut - PaperCut is a print management software to control and quota printing.