OpenSMTPD is not available for Windows but there are a few alternatives that runs on Windows with similar functionality. The best Windows alternative is Microsoft SMTP Server. It's not free, so if you're looking for a free alternative, you could try Inbucket or E-MailRelay. If that doesn't suit you, our users have ranked more than 10 alternatives to OpenSMTPD and four of them are available for Windows so hopefully you can find a suitable replacement.
Configure SMTP e-mail in IIS when you want to deliver e-mail messages from your site. Mail can be delivered immediately or it can be delivered to a file location on disk where it can be retrieved for delivery later.
A lightweight mail server with SMTP and POP3 support. It mainly used as store-and-forward mail server with POP access to spooled messages or it can be used as a personal internet mail server.
United States
