
Description: Mailjet is an all-in-one email service provider that offers email delivery, email marketing automation, and transactional email features. It allows sending emails at scale while ensuring deliverability through dedicated IP addresses and analytics.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: SparkPost is an email delivery service that focuses on delivering high volumes of email easily and reliably. It provides email infrastructure and services to help companies optimize their email programs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API