From eScan Wiki
MailScan Enterprise for PostMaster Setup (size: 75,606,032 Bytes)
http://download1.mwti.net/download/mailscan/ms610a/mspe610a.exe
http://update5.mwti.net/download/mailscan/ms610a/mspe610a.exe
http://update6.mwti.net/download/mailscan/ms610a/mspe610a.exe
ftp://ftp.microworldsystems.com/download/mailscan/ms610a/mspe610a.exe
MD5 Hash of mspe610a.exe : 359f5932cc8835dd3537b9e79f38c580