Pepipost is an India-based email API service provider founded in 2014, now part of Netcore Cloud. It specializes in SMTP relay and transactional email delivery, processing billions of emails daily with developer-friendly APIs and high deliverability.
MailPace is a US-based email delivery service founded in 2020, specializing in transactional email tracking and deliverability optimization with SMTP/API dual-channel access and real-time tracking capabilities.
MailerSend is a UK-based developer email API platform founded in 2019, offering 12,000 free emails per month via SMTP and REST API.
Maileroo is an Australia-based email delivery service founded in 2020, offering a simple API and SMTP interface designed for developers, with low cost and developer-friendly pricing for startups and small teams.
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.