# How does it work?
MailSlurp is a modern email API that let's developers, testers, and email marketers create real email addresses on demand.
MailSlurp works as a REST API or a visual dashboard. You can use it to generate email accounts on demand with either a
@mailslurp.com ending or using your own custom domain:
# Inbox features
All email addresses are secure, private, and only accessible by you or your clients. Attachments and message content are archived and made accessible via web frontend or inside code and tests.
# Beyond MailServers
MailSlurp is designed to be a modern take on email servers. It provides developers, QA testers, and campaign managers with tools that abstract and extend traditional SMTP mail servers.
MailSlurp is free for personal use and offers affordable plans that scale with your business needs. Try it today.