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  1. Agustin's Linux Manual
  2. Networks & Servers
  3. About the Author
  4. Table of Contents
  5. IP Addresses Networks and Subnets
  6. Network Classes
  7. IP Address in Decimal Notation
  8. Sub-netting
  9. Designing Subnets
  10. Allocating Subnets
  11. Defining Host Addresses
  12. Variable Length Subnet Mask
  13. Routing Protocols
  14. Classless Internet Domain Routing
  15. Servers - Chapter 9
  16. Apache Web Server
  17. Configuring Apache
  18. Uploading Web Pages
  19. Apache Overview
  20. MIMEMagic
  21. DNS Servers
  22. Welcome to Webmin
  23. Creating the Master Domain
  24. Adding the Reverse Zone
  25. Querying the DNS server
  26. Adding Virtual Domain to DNS Server
  27. Reverse Zone for Virtual Zone
  28. Binding IP Address for Virtual Domain
  29. Virtual Web Hosting
  30. DNS Security Options
  31. FTP Server
  32. Securing the FTP Server
  33. Email Server
  34. Postfix Configuration
  35. Dealing with Identical Users
  36. Configuring Email Clients
  37. Configuring Outlook
  38. Samba Server
  39. Configuring SAMBA Server
  40. The smb.conf File
  41. smb.conf Analysis
  42. Adding Users to Samba

Configuring the Email clients

Once the email servers are running, of course you need to get your email; right? The decision that is in your mind probably would be what email clients can I use with Linux? Well, basically there is no limit concerning email clients. Any client that supports POP3 or IMAP can do it. Linux comes with several email clients, including evolution (an outlook type email client), Mozilla messenger, Mutt. Most new clients now support POP3.

In this section I will demonstrate how to configure two email clients (Microsoft outlook express and Kmail for Linux). I decided to use Kmail for this purpose because of its feature, as it allows a better understanding in configuring email clients. I figured out that if you learn the essentials required to configure an email client, you could then configure any email client.

Configuring Kmail

From your Linux desktop launch Kmail. When running Kmail for the first time it detects that there are no email folders in your profile and it will ask you if you want to create it. Answer yes to create these files.

KDE Mail Client
Fig 9.35

This is the main screen for Kmail, and is very easy to configure.

  • Click on settings
  • Click on configure Kmail.
Configure KMail
Fig 9.36

On the Identity tab enter your complete name.

  • Enter your Email address

Before you jump to the network option, observe that the identity is set to default; you have the option of creating a new identity, rename it or remove it.

Removing an Identity will remove all the settings of that particular user.

The Network

From the network option, we need to configure the SMTP (the sending option), which is the outgoing mail protocol. Note that SMTP does not need authentication when transmitting a message.
Note that the default options on the sending tab are:

Add Transport
Fig 9.37
  • Confirm before send (not active)
  • Sent mail in outbox folder on check (not active)
  • Default send method (send now)
  • Message property
  • Click on Add
  • Make sure that you have SMTP selected.
  • Click Ok
  • Enter your name
  • Enter the host name of the email server

According to the DNS server that we worked on earlier the host is & and; but of course you will use your domain name here, the one you configured for yourself.

Add Transport - KMail
Fig 9.38

Next configure the Receiving Options.

The options on this tab are {Mail Notification}

Add Transport
Fig 9.39
  • Beep
  • Display message box
  • Execute command line
  • Click on Add
  • Make sure selected option is POP3
  • Click OK

IMAP is used for web interface access. Your server must be configured before you can use IMAP.

On this panel, enter your name

Modify Account - KMail
Fig 9.40
  • Enter your login name
  • Enter your password
  • Enter the same host you entered in the SMTP option.
  • The default port for POP3 is 110

The client connects to port 110 to retrieve the email.

Note that you can enable other features here such as: Delete the email on the server once it is retrieved.

If you want to leave it as default, just click OK, Apply, OK and you are done.