Lockspam employs four advanced antispam technologies to screen out your mails. Kills spam only and protect your innocent emails.

• The Security Pack contains pattern files of recent virus attachments and those scanned by Anti-Virus products. If any attachment matches the pattern files the message is regarded as spam and sent to the Polesoft Antispam folder.
• Beneficiary Black List (BBL), is a list of known URLs linking back to the beneficiary of spamming. Email with URL matches the list will be regarded as spam. Frequently reported spam's target URLs will be listed in BBL, and daily updates for users to fight most recent spam.
• Spammers always falsify their identity to cover their tracks. Polesoft Behavior Pattern Recognition is a unique pattern file that accurately detects the abnormal behaviors that spammers have, like deliberately falsify information in the mail header.
• Polesoft Anti Spam Engine which focuses more attention on protecting your innocent mails in addition to killing the spam. It provides double defense to your mailbox. Therefore, you needn't worry about miskilling your good mails with Lockspam.
• Free and frequent updates of the above advanced filtering rules as well as Lockspam add-ons for Outlook and Outlook Express make sure that your emails are under full protection against the newest spam.