You can use include in /etc/aliases file.
1. Create a group ( eg. admin )
2. Add user to the group using usermod or GUI Tools ( eg. usermod -G admin
user1 )
3. Create an alias entry with include ( Include:/file in /etc/aliases )
4. Create IncludeFile and add the users you want to this file
5. Set permission on include file or directory to group but not to every
one. ( Remove read permission from everyone )
eg. chown root.GroupName IncludeFileName.
chmod 640 GroupName IncludeFileName
6. Test result
Win Toe
Penguin Millennium
----- Original Message -----
From: <tecsupport@xxxxxxxxxxxxxxxxxx>
To: <redhat-list@xxxxxxxxxx>
Sent: Saturday, January 24, 2004 11:36 PM
Subject: sendmail aliase help
> hi !
>
> I need help to secure aliases.
> I am using sendmail-8.12 for my mailserver having about 600 users
> belonging to various groups, say admin, group1, group2.....
> I am using .forward file for aliasing. ie
> /home/group1/.forward file holds the users of group1 and
> group1@xxxxxxxxxxxx to send mail to every users belonging to group1.
> My problem is I want to restrict the normal users from sending email to
> groups and only allowing the users of group admin from doing that.
>
> how is this possible with sendmail? Can :Include:/file in /etc/aliases
> help solve this problem?
>
> Thanks in advance.
>
> regards,
> suryaman maharjan
>
>
>
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