SendingBee - SendingBee is a new email marketing platform with support for advanced segmentation, variables and conditions in templates, APIs, and more.
Mailivery - Reach the Inbox, not the spam folder.
Mailchimp Pro - A new suite of features to optimize emails for $199/month
Sidemail - The simplest way to send transactional emails. Sidemail makes sending transactional emails trivial, it's perfect for side projects, MVPs or the next big thing.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Postal - Open source mail delivery platform, alternative to Mailgun or Sendgrid