WinZip E-Mail Companion
The 2.0.7623 version of WinZip E-Mail Companion is provided as a free download on our website. This software is an intellectual property of WinZip Computing. The software is included in System Utilities. Our antivirus check shows that this download is clean.
From the developer:
WinZip E-Mail Companion integrates seamlessly with Microsoft Outlook, Microsoft Outlook Express and Microsoft Windows Mail (Windows Vista), streamlining the compression and encryption process into one easy step. Users simply attach their content, click "Send" and allow the WinZip E-Mail Companion to do the rest.
You may want to check out more software, such as Winzip w/command-line tools, WinZip Command Line or WinZip Express for Explorer, which might be similar to WinZip E-Mail Companion.