MailWasher Enterprise Server (MWES) works as a proxy, meaning it sits in front of your mail server collecting and processing all incoming mail. You will notice a significant reduction spam along with reduced load on your mail server when MWES is installed and working.

MailWasher Enterprise Server (MWES) for Windows Server 2000, 2003, 2008, 2011, 2012, 2016. MWES may be used with any Windows Mail Server like Microsoft Exchange 2000,2003,2007, 2010, 2013, 2016 SmarterMail, IMail, MailEnable and
any others.