Inbucket - Inbucket is an email testing application; it will accept messages for any email address and make...
Postfix - Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.
sSMTP - sSMTP is a simple MTA to deliver mail from a computer to a mail server.
MailHog - MailHog is an email testing tool inspired by MailCatcher, but easier to install.
Sendmail - Sendmail is a general purpose internetwork email routing facility that supports many kinds of...
Microsoft SMTP Server - Configure SMTP e-mail in IIS when you want to deliver e-mail messages from your site.