MailScan 5.3 for SMTP is the world's most advanced AntiVirus and AntiSpam Solution for Mail Servers that work on platforms like Windows, Unix, Linux, Novell and Solaris. It's installed on a Windows machine to act as a Security Gateway between your Mail Server and the Internet.
MailScan 5.3 offers powerful new features like Web Based Administration, Non Intrusive Learning Patterns, LDAP Authenticated Web Administration and technologies to block image spam.

• Web Based Administration:MailScan Administration Console can be accessed using a browser, thus enabling Remote Administration of the application.
• Advanced AntiSpam and AntiPhishing :MailScan 5.3 uses a combination of technologies like Real-time Black List, SURBL Checking, MX/A DNS Record Verification, Reverse DNS, X-Spam Rules Check, Sender Policy Framework and Non Intrusive Learning Patterns.
• Non Intrusive Learning Patterns (NILP):This unique technology from MicroWorld is an advanced Spam Filtering method with the intelligence to analyze all mails to filter and block spam, according to the Behavioral Patterns of the user.
• Blocking Image Spam:MailScan uses powerful technologies to filter out image spam.
• Autogenerated Spam Whitelist:When a local user sends a mail to an email address, the system automatically adds that ID to the Spam Whitelist.
• Real-Time Virus Scanning at the Mail Gateway:Scans e-mails for all types of Virus and other malware in Real-Time including all inbound and outbound Mail Traffic.
• Attachment Filtering:Extensive options to block certain attachments like EXE, COM, CHM or BAT from being sent or received.
• Real-Time Content Scanning :All incoming and outgoing messages are scanned in Real-Time for offensive words and Adult Content, with the help of Security Policies.
• Clustering:Clustering provides load balancing by distributing mails to multiple computers for scanning.
• Relay Control:Stops spammers from using your organization's IP addresses to send spam.
  LDAP Authenticated Web Administration:MailScan 5.3 is powered with LDAP Authenticated Web Administration.
• Comprehensive Attachment & eMailArchiving:Customizable options to archive e-mails and attachments flowing in and out of the system. This feature also helps in comprehensive Content Auditing.
• Auto Updates for Spam Detection:The system updates the NILP Spam Database with probable phrases and words.
• Customized Disclaimers:Easy to use options to add
• Customized Disclaimers all external and internal emails
• Extensive Reports:Provides advanced analytical reports in graphical and Non-graphical formats.