no no these groups are not on MS-Exchange. These groups are used in Exchange for restricting users.
Groups are created in Active Directory.

Do you have any idea how can i utilize my existing groups of AD in Linux

Not too sure ;-)

i have a slight problem in sending emails.
when i send email my address shows as shariq@navigator.mycompany.org
but i want shariq@mycompany.org

/etc/hosts

# Do not remove the following line, or various programs
# that require network functionality will fail.
10.10.3.44 navigator navigator.tabbaheart.org localhost
10.10.3.44 tabbaheart.org
::1 localhost6.localdomain6 localhost6

I guess you are sending from a webmail account ? If so, you need to change the hostname of the server ( short route) or better is to check the config files for your webmail program to specify outgoing smtp domian.

I am sending emails using mutt
my hostname is NAVIGATOR
i didnt configure any webmail client ....but i will in near future... can u suggest one ??

mutt uses your hostname as the sending domain name.
If you type the following command:

hostname

You will see it is the same as what you send as.

just type the word hostname followed by what you want your sending domain name to be and try again

SO , if you type the command " hostname " and it gives

mail.yourdomain.com , you will send as user@mail.yourdomain.com

If you type the command " hostname yourdomain.com " and then send again it will be user@yourdomain.com

edit the /etc/sysconfig/network file to change the hostname permantly as well.

If it does not work after you did the hostname command change, change that /etc/sysconfig/network file and reboot.

Thanks Again it worked
and what can you suggest me a webmail client will some basic features like address book functions, auto complete feature,or can be AJAX based webmail client

Pleasure !

and qouta management for mailboxes

The best thing to use is a webmail program called OpenWebmail

This program is brilliant, and does Quota configurations as well ;-) Just will be the easiest right now ;-)

ok can you guide me how to uninstall a a tar.gz package which was previously installed by help manual of that program

and will it be generic means same uninstall process for all the tar.gz packages

OK, when you installed a .tar.gz program, you would generally do

tar -zxvf program.tar.gz

This will unpack the stuff for you in a folder with the same name as the .tar.gz file .

Inside this directory is where you ran the ./install or make / make install command right?

SO all you need to do now is to go to the same directory and just type

make uninstall

Well one more thing to ask

i am currently using MS-Exchange 2003 server as my Email Server. My Company domain name is mycompany.org registered on internet and my local domain name is also mycompany.org. I have configured a one Catch All Pop Account at my webhost where my mail.mycompany.org is running. Then on my local Exchange server i have configured GFI Mail Essential for downloading the emails from the POP Account and delivered it to local exchange server.

Can i do the same using linux environment ??

Yes you can .....

You can use "fetchmail" to do this for you

Search google on how to configure a .fetchmaill script in your root directory. You need to do this one yourself to understand how it works and how to change the download options later. This is not a very hard program to learn and use, but you need to understand fetchmail, will make life MUCH easier at the end of the day ;-)

thanks

please also tell me how to use AD based groups in Linux

i will be more then thankful to u