Mailgun Email is a developer-focused email API product offering RESTful API, SMTP relay, real-time analytics, smart bounce management, and event webhooks, processing billions of emails daily.
Founded in 2016, Forward Email is a fully open-source (MIT license) free email forwarding service with custom domain support. Zero ads, zero tracking, encrypted delivery, with API and SMTP relay — the go-to email forwarding solution for privacy-conscious developers.
Founded in 2016 in the Netherlands, ImprovMX is a lightweight email forwarding service. Its free plan offers unlimited alias forwarding and Catch-All capture for one domain, with 5-minute DNS setup — ideal for indie developers and site owners.
EmailLabs is a Poland-based email delivery and marketing platform offering SMTP relay and email API with separate routing for transactional and marketing traffic, dedicated IPs, full authentication, and real-time delivery analytics — particularly strong in Eastern Europe.
Mailgun was founded in 2010 and is headquartered in San Antonio, USA, as a developer-focused email sending API platform. Flexible routing, email validation, and real-time logs help businesses build reliable transactional email, with 50,000 free emails per month.