Best 2 Open Source Mailgun Alternatives in 2025
Mailgun is a cloud-based email delivery service designed specifically for developers and businesses who need to send emails programmatically through their applications. Think of it as the engine that powers email functionality in websites and apps - from simple contact forms to complex automated email workflows.
Mailgun
Listmonk
Listmonk
Listmonk is an email marketing platform that you install and run on your own server. Unlike cloud services such as Mailchimp, you download and host it yourself, which means you own all your data and pay no monthly fees.
SENDUNE
SENDUNE
SENDUNE is a tool that connects to your Amazon Web Services account to send emails and text messages. You can send marketing emails to customers, important business messages like password resets, and text messages all from one place.
