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== Internal mail delivery with KMail == == Using email ==
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FIXME: Is there a more convenient way?
This paragraph describes how to configure KMail as mail client. You should be able to send and receive mails within the internal skole-network. First, start KMail and skip the wizard ("Cancel"). Open the configuration-window and enter your identity (username and mail-address: username @ postoffice.intern). Now move on to "Accounts" and there choose the "Sending"-tab. Add SMTP, host is "tjener". default port 25. Do not forget to enter "postoffice.intern" as default domain and click "Apply".
Send a mail to yourself now (username @ postoffice.intern) to make sure your directory on the imap-server is created.
Every user can send and receive mails within the internal network. The following paragraphs describe how to configure kmail for each user.
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After that, add a new IMAP account under the "Receiving"-tab. Enter your username and password, the host is again "tjener". Switch to the "Security"-tab and click on "Check What the Server Supports". Click "Continue" in the warning about the missing server certificate and accept that forever. Go back to the "General"-tab. Port should be 993 now. Click "Ok" and check if the mail to yourself is there. :) To be able to send and receive mails outside the internal network, the adminstrator needs to configure the mailserver {{{exim4}}} according to the local situation, {{{dpkg-reconfigure exim4-config}}} is a good first step to do this.

=== Configuring KMail as a mail client ===

This needs to be done once by every user who wants to use email.

First, start KMail and skip the wizard ("Cancel"). Open the configuration-window and enter your identity (username and mail-address: {{{username@postoffice.intern}}}). Now move on to "Accounts" and there choose the "Sending"-tab. Add SMTP, host is "postoffice". default port 25. Do not forget to enter "postoffice.intern" as default domain and click "Apply".
Send a mail to yourself ({{{username@postoffice.intern}}}) now to make sure your directory on the imap-server is created.

After that, add a new IMAP account under the "Receiving"-tab. Enter your username and password, the host is again "postoffice". Switch to the "Security"-tab and click on "Check What the Server Supports". Click "Continue" in the warning about the missing server certificate and accept that forever. Go back to the "General"-tab. Port should be 993 now. Click "Ok" and check if the mail to yourself is there. :)

HowTos for users

Changing passwords

Every student should use the shorcut on their Desktop, which should point to something like https://ldap/lwat/chguserpw.php?username=$(id -un). (On Windows they have to manually put in their username.)

Using lwat to change their password, ensures that linux (userPassword) and samba (sabmaNTPassword and smbaLMPassword) passwords are the same.

Changing the sound volume

On local machines, which are workstations and LTSP servers, and diskless workstations, kmix works as usual. alsamixer can also be used to change the sound volume.

On thin clients, pavucontrol works, and so does alsamixer but kmix does not work at all.

Using email

Every user can send and receive mails within the internal network. The following paragraphs describe how to configure kmail for each user.

To be able to send and receive mails outside the internal network, the adminstrator needs to configure the mailserver exim4 according to the local situation, dpkg-reconfigure exim4-config is a good first step to do this.

Configuring KMail as a mail client

This needs to be done once by every user who wants to use email.

First, start KMail and skip the wizard ("Cancel"). Open the configuration-window and enter your identity (username and mail-address: username@postoffice.intern). Now move on to "Accounts" and there choose the "Sending"-tab. Add SMTP, host is "postoffice". default port 25. Do not forget to enter "postoffice.intern" as default domain and click "Apply". Send a mail to yourself (username@postoffice.intern) now to make sure your directory on the imap-server is created.

After that, add a new IMAP account under the "Receiving"-tab. Enter your username and password, the host is again "postoffice". Switch to the "Security"-tab and click on "Check What the Server Supports". Click "Continue" in the warning about the missing server certificate and accept that forever. Go back to the "General"-tab. Port should be 993 now. Click "Ok" and check if the mail to yourself is there. :)