Email Encryption/Decryption and Zip Compression in a powerful but easy to use utility
If you need to send encrypted email messages or encrypted file attachments with Microsoft Outlook, then you have found the right product.
With MessageLock, you can encrypt your email message and/or file attachments using encryption as strong as AES-256 bit (U.S. Government standard). Or you can send a self-decrypting file that will prompt for a password before decrypting the message.
MessageLock can also collect and manage your passwords, both for sending and receiving encrypted files. This allows MessageLock to encrypt with a single click, and decrypt inbound messages automatically.
Use MessageLock to:
- automatically unzip and decrypt any password protected zip files that you receive
- secure your file attachments with strong AES-256 zip-compatible encryption
- easily apply encryption and compression to your entire email message
- send encrypted emails to multiple recipients or to a group
- automatically format your email message as either a pdf, mht or msg file, depending on the preference of your recipient
- combine file attachments into a single smaller zip file
- gathers your passwords as you send email, then recalls your passwords on future correspondence
System administrators appreciate these features:
- If it is desirable to do so, you can distribute a "starter" password database. Users can optionally be locked out of password settings.
- User intuitive: very little training is necessary to use MessageLock.
- Silent install with command line key registration
- Install for all user accounts
- Multiple MessageLock installations can be activated online with a single key
- For site licenses, or where online activation is not practical, MessageLock can be activated by including a key file in the directory

Easy One-Click Protection for your Outlook File Attachments and Email
Many internet users today are already using a zip utility to compress and encrypt file attachments. If you need a method for securing documents that won't burden your small business clients with special single-use reader/decryptors, then MessageLock is for you.
MessageLock makes it simple to protect your email message and file attachments with strong AES 256-bit WinZip compatible encryption. View this short Windows Media online video to see MesageLock in action. Click here to view the demo.
MessageLock has been tested with and found to be compatible with Winzip (version 9.0 or later), and the free TugZip (version 3 or later) and IZArc zip utilities.
Who is it for?
MessageLock was designed primarily for people who communicate with midsize to small businesses, small office professionals or individuals. A recent survey of our users showed us that MessageLock is used by banks, manufacturers, designers, architects, lawyers, social service agencies, HNI's, educators and CPA's.
A single click lets you secure financial reports, manuscripts, word documents, contracts, designs, travel plans, power-point slides, login passwords, hotel reservations, photos, source code, set appointments, or any other discreet business or personal information. Click here for a list of other files you should seek to protect when sending in an email.
Integrated Zip Compression for Outlook 2007/2003/2002 XP/2000
MessageLock for Outlook will place your documents into an compressed and/or encrypted zip file. It can also create a self-decrypting .exe file. Users who have advanced needs to set rules for compression will find a number of options to configure MessageLock to their specific needs.


Widely Compatible
Hundreds of millions of computers are already capable of accessing zip attachments.
The penetration of the zip file format is nearly universal and cross-platform, so most users can access the contents of a MessageLock encrypted zip file without installing special software.
Does it Work with ALL Zip Utilities?
MessageLock compressed zip files are accessible by virtually all zip utilities.
MessageLock encrypted zip files using strong AES encryption are compatible with the most popular leading zip utilities such as WinZip 9.0, PKZip, and the free TugZip and IZarc utilities, and is increasingly supported by other zip utilities.
Won't Unzip Dangerous Files
MessageLock for Outlook will not auto-unzip email attachments that contain nested directories or file extensions prohibited by Outlook's security. If the restricted file was encrypted, MessageLock's File Viewer lets you decrypt and then save the restricted files to your disk outside of Outlook.
Restrict Compression by Domain or Email Address
Do you have a client who just doesn't want to receive zip files? Add their email address or internet domain to the restrictions list, and MessageLock will not send them zip files.
Seamless Operation beween MessageLock stations
With MessageLock for Outlook installed
at both the sender and receiver, the compression and decryption of your email attachments are seamless. Inbound encrypted messages will be automatically decrypted.

Ground breaking
MessageLock for Outlook is the first application to fuse new and existing technologies to encrypt email and file attachments in a patent-pending process that uses:
- strong U.S. Gov't approved advanced encryption standards
-
the ubiquitous compatibility of the Zip file
compression
- the familiarity of Microsoft Outlook
- .Net technology, the future of secure computing
Download your fully functional free trial of MessageLock for Outlook today!


Email encryption for Outlook.
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