Acelle is a self hosted, full-featured, easy to use Email Marketing Web Application written in PHP that lets you send high-volume marketing or transaction emails via your own server or through other email service provider.
Install Acelle on your own web server and you can use marketing/transaction emails without any limitation. You can get rid of expensive email services like Mailchimp, ActiveCampaign? as now you can have full control over the entire system of your own. Acelle can be configured to send email through your own SMTP servers like Postfix, Exim, Sendmail or Qmail. It can also integrate with other email service provider like Mailgun, Google Mail or Amazon SES.
Acelle is also made for commercial purposes, allowing you to manage and sell your email services to the others.