From eScan Wiki
MailScan 6.1a for IAMS (Internet Anywhere Mail Server) Setup (size: 75,605,248 Bytes)
http://download1.mwti.net/download/mailscan/ms610a/msia610a.exe
http://update5.mwti.net/download/mailscan/ms610a/msia610a.exe
http://update6.mwti.net/download/mailscan/ms610a/msia610a.exe
ftp://ftp.microworldsystems.com/download/mailscan/ms610a/msia610a.exe
MD5 Hash of msia610a.exe : f0a2b0386693b41620cd8b4d1ab915d2