What are some alternatives?
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
SHOWTIME - Get instant live and on-demand access to SHOWTIME shows.
SendGrid - Learn why more developers choose SendGrid for their email deliverability service to send transactional emails triggered by web apps. Get started for free
Spontime - A social app to meet with friends and people nearby.
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.
uHerrd - uHerrd is one of the best platforms that help you to create and search powerful opinion polls.