OpenSMTPD Alternatives
OpenSMTPD
OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with some additional standard extensions. It allows ordinary machines to exchange e-mails with other systems speaking the SMTP protocol.
Best Commercial OpenSMTPD Alternatives
Looking for the best programs similar to OpenSMTPD? Check out our top picks. Let's see if there are any OpenSMTPD alternatives that support your platform.
Microsoft SMTP Server
CommercialWindowsConfigure 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...
Features:
- Email Forwarding
- Exchange
- SMTP
OpenSMTPD Reviews
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