SolMailProxy
Version 1.0.0.8 (C) 2008 Copyright Antillia.com
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1 What is SolMailProxy?

1.1 SolMailProxy

  SolMailProxy is a local SMTP Proxy Server to prevent a mail from being delivered to unauthorized recipients.
SolMaiProxy receives a mail from a mail client and shows [Recipients Confirmation] Dialog (see Figure 1-1)
to confirm recipients of the mail to be authorized or not.
  This tool helps avoid a sensitive and unencrypted mail including personal information or confidential
information of the company to be delivered to carelessly, mistakenly chosen or unidentified recipients.

NOTE:This program runs on the Windows Vista/XP or Windows Server 2003/2008 as an SMTP Proxy.

Note
  • 2009/01/04: Fixed a bug (abnormal termination) to check a boundary.
  • 2008/12/24: Fixed a bug (abnormal termination) to show a balloon message for a short message.
  • 2008/12/22: Fixed a bug to show a balloon message and modified to show a transfer-rate of a mail.
  • 2008/12/13: Fixed a bug (abnormal termination problem) for the long subject.
  • 2008/12/05: Fixed a bug to detect encrypted PDF files saved by Adobe Acrobat/Reader.
  • 2008/11/19: Fixed a problem at a startup time. Modified not to depend on 'MSVCR90.DLL'.
  • 2008/11/07: Fixed a problem of the installer SolMailProxy.msi.
  • 2008/11/07: Fixed a bug to detect encrypted PDF files.


    • 1.2 Download

      You can download the latest SolMailProxy 1.0 Free Version(Updated:20090104):
    SolMailProxy 1.0.0.8 (SolMailProxy.zip)
    Sorry no technical support is provided for this free version, but if you would like to ask any question or report
    bugs on this program, please refer Question and Comment

    1.3 User Interfacce

      [Recipients Confirmation] Dialog shows the following information on the mail sent from an SMTP Mail Client
    such as Winodws Mail, Microsoft Office Outlook, Moziall Thunderbird and Shredder.

    1. Subject.
    2. Recipients information. Lists up all(To, Cc, Bcc) recipients with authorized or unauthorized icons.
    3. Attached files information. Lists up all file names with encrypted or uncrypted icons by IRM or PWD.
    4. Security information. Shows the message to be protected/unprotected by IRM or encrypted/unencrypted by S/MIME.

    Now, you have a final chance to decide to send or retract the mail by checking the recipients and security(encryption)
    information of the attached files and the message.

    Figure 1-1 [Recipients Confirmation] Dialog



    1.4 Attached Files [2008/11/05]

      SolMailProxy checks attached files to be encrypted or not by IRM (Information Rights Managment) or PWD
    (password) for Microsoft Office 2003/2007, Acrobat Adobe PDF and ZIP files.
      The target attached files to check of this tool are the following.

    FileType File Extension Encryption
    Microsoft Office Word Document .doc, .docx, .docm IRM/PWD
    Microsoft Office Excel Worksheet .xls, .xlsx, .xlsm, .xlsm, .xlsb IRM/PWD
    Microsoft Office PowerPoint Presentation .ppt, .pps, .pptx, .pptm, .ppsx, .ppsm IRM/PWD
    Microsoft XPS Document .xps IRM/PWD
    Adobe Acrobat Document .pdf PWD
    WinZip File .zip PWD


    2 SolMailProxy Settings

    1. Run SolMailProxy program.

    2. At the first time, the following SolMailProxy Properties dialog will be shown.

    3. Please enter SMTP Server host name or IP address.

    4. Please enter SMTP Server port number. Default value is 25.

    5. Please click [Test the setting of SMTP server] to test the setting.

    6. Please enter Port Number to this SolMailProxy server.Default value is 25.

    7. Please enter Domain names (delimited by a semicolon) of recipients to allow to send mails.
    For example: microsoft.com;gmail.com


    Figure 2-1 [SolMailProxy Properties] Dialog




    3 Windows Firewall Setting

    At the first startup time of SolMailProxy, if Windows Firewall were active, the following [Windows Security Alert] Dialog
    would be shown. Please click [Unblock] button.

    Figure 3-1 [Windows Security Alert] Dialog



    4 Mail Client SMTP Server Setting

    1. Run your Mail Client.
    For example:Microsoft Office Outlook or Mozilla Thunderbird (Shredder).

    2. Select [Tool] menu from the menu bar.

    3. Select [Account settings] from the pulldown menu.

    4. On [Account settings] dialog, please set localhost address 127.0.0.1 to the [Outgoing SMTP Server]. See Figure 4-1.

    5. On [Account settings] dialog, please set the port number of SolMailProxy to [Outgoing SMTP Server]. See Figure 4-2.

    6. On [Account settings] dialog, for each account, please set [SolMailProxy - 127.0.0.1(Default)]
    to Outgoing Server (SMTP). See Figure 4-3.


    Figure 4-1 [Account Settings] for Microsoft Offce Outlook



    Figure 4-2 [Account Settings] for Outgoing Server (SMTP) of Mozilla Thunderbird or Shredder



    Figure 4-3 [Account Settings] for each account of Mozilla Thunderbird or Shredder



    5 How to use it

    1. Create a mail and send it from your mail client.

    2. SolMailProxy receives the mail, and the follwing [Recipients Confirmation] Dialog will be shown.
    Please confirm the recipients of the mail to be authrozied or not,and check encryptiion information
    of the attached files and the message.

         3. If you want to send this mail, please check the check box.
    Then, please click [OK] button.

    4. If you want cancel this mail, please click [Cancel] button.


     Figure 5-1 [Recipients Confirmation] Dialog

    Last modified: 4 Jan 2009
    Copyright (c) 2008 Antillia.com ALL RIGHTS RESERVED.