

Find out what your peers are saying about MailChimp, Twilio, Amazon Web Services (AWS) and others in Cloud Email.
| Product | Market Share (%) |
|---|---|
| Message Systems | 0.6% |
| Letterhead | 0.7% |
| Other | 98.7% |
High-quality newsletters drive high-quality engagement. But doing them consistently has been expensive and time-consuming — until now.
Letterhead makes it easy to create, send, and monetize great newsletters at scale– automatically.
Message Systems' SparkPost is an email delivery service used by developers and enterprises to send transactional messages — password resets, confirmations, status updates, receipts, notifications and more — from the cloud. With great APIs, flexible templating, and advanced analytics, SparkPost provides the high deliverability, robust scalability, and expert support that drives engagement and growth for today’s apps and services.
We monitor all Cloud Email reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.