DOSBox - DOSBox is a DOS-emulator that uses the SDL-library.
Spark Mail - Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
vDosPlus - vDosPlus (formerly vDos-lfn) is a free general-purpose non-gaming DOS emulator running on Windows...
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
FreeDOS - . creation tool just didn't feel up to the task. So, I created a new utility that may have better results.
FairEmail - Open source, privacy friendly email app