Mailgun vs. Sender.net

150,000+ companies. 400 billion emails a year. 99.99% uptime — backed by SLA Mailgun is the full-stack email infrastructure platform developers and marketers trust to send, test, validate, and improve deliverability at scale. One platform covers the entire email lifecycle: preview and fix rendering issues before you send, clean your lists in real time, fire emails via API at any volume, and surface deliverability problems with AI before they cost you. SOC 2 Type I & II, HIPAA, GDPR, ISO 27001 certified. Trusted by Microsoft, Lyft, and American Express.

Sender helps you connect with people—easily and effectively. Email marketing doesn’t have to be complicated or expensive. With Sender, you get everything you need to stay in touch, grow your audience, and share what matters—without the usual tech headaches. Here’s what makes it great: Easy to use No complicated setups. Just a clean, simple interface that helps you create and send beautiful emails in minutes. Powerful automation Set things up once, and let Sender handle the follow-ups, reminders, and welcomes—so you can focus on other stuff.