SendBulls!

Intercom shows you who is using your product (the user's region, browser, local time etc.) and makes it easy to personally communicate with them through targeted, behavior-driven email and in-app messages.

Scalable email delivery for transactional emailSendGrid transparently handles DKIM, SPF, ISP rate limits, content inspection, bounces, and spam reports to help users achieve higher deliverability. SendGrid integrates in minutes by just changing three SMTP settings.

Mailgun is email automation for developers. Use our REST APIs to effortlessly send, receive and track email from your website or application.

A self hosted newsletter application that lets you send trackable emails via Amazon Simple Email Service (SES). Complete with reports, subscriber & list management.

SendPulse maximizes the core metric of e-mail marketing - newsletter open rate - atomatically. We collect tons of data about billions of subscribers in our system and predict the best time and channel for each subscriber when to deliver the next message to him. In a result our customers see 50% open rate increase in average.

Campaign Monitor offers everything a designer needs to run successful email marketing campaigns for themselves and their clients. You can even rebrand the interface, create sub-accounts for your clients and let them send their own campaigns.

SendinBlue empowers businesses to build and grow relationships through marketing automation, marketing and transactional emails, and SMS messages.

UserEngage is a full business-client communication platform including live chat, user tracking, marketing automation, CRM and emailing. It takes 5 minutes to implement and it is two times cheaper than nearest competition.It is aimed at increasing egagement and conversion rates with as little effort as possible.

Elastic Email offers an SMTP Relay, HTTP API, and fully featured browser based UI for managing marketing and transaction email.

"Send targeted emails to your users and subscribers with Customer.io's intuitive editor and powerful tracking features. Rich CSS-based templates simplify the process of designing compelling layouts. Built-in analytics lets you classify mailing list recipients by their attributes, pageviews, and site interactions. Advanced emails use A/B testing, structured data merging, and third-party APIs to engage users with personalized messages that add value to your service."

Cloud Emailing by Mailjet. Create, send and track your marketing and transactional emails. Easy SMTP integration & cheap rates: boost your deliverability now!

1and1Mail gives every small and medium business the ability to easily create, schedule and send personalized mass emails, manage email contacts, and design email newsletters.

MPZ Mail is an advanced mail client used for mass email marketing. It has detailed statistics so you can track you email campaigns clicks, opens and much more.