This is a repackaged open-source software product wherein additional charges apply for support and for providing it in a simple consumable AMI.hMailServer is an open-source mail server for Windows. Any webmail system which supports IMAP, SMTP, and POP3 can be used with hMailServer. hMailServer comes with a set of built-in anti-spam features such as SPF, SURBL. We have hardened this image for production-ready consumption and secured the image from all existing vulnerabilities. In addition to this, we also provide a patch management solution that can be enabled on these instances as you take them to production using our Patch Management solution. You can learn more about our Patch Management solution from https://www.patchawscloud.com/saasconsole.