[Contents] [Index]

Introduction >>     Configuration >>     Connecting >>         Quick Connect         Profiles >>         Key Generation >>         Connecting to a Remote Host Computer>>         Uploading Your Public Key >>         Using Public-Key Authentication         Tunneling Explained >>             Local And Remote Forwarding             Forwarding FTP             Tunneling Example - Email             Tunneling Example - FTP         Command Line Options     Terminal Window >>     File Transfer >>     Toolbar Reference >>     Menu Reference >>     Advanced Information >>     Troubleshooting >>     Appendices >>

Tunneling Example - Email

In this example we are going to use tunneling to enable secure access to email using Microsoft Outlook.

Part 1 - SSH Secure Shell for Workstations Configuration

1. On the SSH Secure Shell for Workstations menu bar, click Edit -> Settings...-> Profile Settings -> Tunneling -> Outgoing.
2. Let's first define the server connection for outgoing email. Click on the Add button. In the Name field, type for example smtp. For Listen Port, type 25. For Destination Host, type the name of your SMTP server (such as mail.domain.com). For the Destination Port, type 25. Then click OK.

   ---

   
   Figure : Tunneling an SMTP connection for outgoing email.

   ---

3. Let's now define the server connection for incoming email. Click again on the Add button. In the Name field, type for example imap. For Listen Port, type 143. For Destination Host, type the name of your IMAP server (such as imap.domain.com). For Destination Port, type 143. Then click OK.

   ---

   
   Figure : Tunneling an IMAP connection for incoming email.

   ---

4. Click OK to exit the Settings dialog.
5. Click File -> Save, and then File -> Exit.

Part 2 - Reading Email Using Outlook

1. Dial up to your ISP (Internet Service Provider) as you would normally. Once your connection is established, launch SSH Secure Shell for Workstations and press Enter. Then connect to your mailserver (or some other server inside your firewall), or to your firewall if you are coming from outside the firewall.
2. Launch Microsoft Outlook and choose Accounts from the Tools menu.
3. Click the Add button and choose Mail from the menu.
4. Enter your full name for Display Name. Click Next.
5. Enter your email address (such as username@yourdomain.com). Click Next.
6. In the dropdown menu next to My incoming mail server is a text, choose IMAP.
7. In the Incoming mail (POP3 or IMAP) server field, type: localhost
8. In the Outgoing mail (SMTP) server field, type again: localhost
9. Click Next.
10. Enter your account name in the Account name field.
11. Enter your password in the Password field.
12. Click Next.
13. Click Finish.
14. Close the Internet accounts dialog by clicking Close.
15. Now you are ready to download the contents of your mailboxes securely through an encrypted tunnel.