Clearswift MIMEsweeper
for External mail and Internal Mail. For External
mail MIMEsweeper for SMTP is required. If you wish
to protect your internal network when you have more
than one email server then MIMEsweeper for Exchange
or Domino is required.
For anti-virus
checking there is several products that integrate
with MIMEsweeper. If your preference is Norton
Anti-Virus, you MUST purchase a specific version of
Norton that works with MIMEsweeper only. Your normal
office version is not suitable.