Connects POP3/IMAP accounts to an SMTP or Exchange mail server. Runs as system service in the background. An easy to use config tool allows you to manage you accounts. A Spam filter, a powerful rules engine and virus scanner integration are included.

GFI MailSecurity for Exchange/SMTP is an email content checking, exploit detection, threats analysis and anti-virus solution that removes all types of email-borne threats before they can affect an organization’s email users.

Free SMTP Server is a local SMTP server program for Windows

With the problems of SPAM, most ISPs now block SMTP relay, that is, the ability to send email from anywhere back through your server to wherever you want. SMTP Spotter solves that by finding a local valid SMTP server that will allow you to send mail

SMTP proxy mail filter that acts between the internet and your mail server. Incoming mail is accepted from the open internet, checked for spam or viruses, and then delivered to your existing SMTP mail server. Compatible with all mail server software.

Fast and compact anti-virus software used in the Russian Defense Ministry with frequent virus definitions updates, robust heuristic and 0-ring system monitoring and highly-tuned mail-filtering. Anti spyware, anti adware and anti spam bases included.

SMTP proxy mail filter that acts between the internet and your mail server. Incoming mail is accepted from the open internet, checked for spam or viruses, and then delivered to your existing SMTP mail server. Compatible with all mail server software.

Unsurpassed Email Protection:VisNEtic MailScan for SMTP offers incredible network Email protection and an unsurpassed ability to detect, detain and delete infected Email.