Indunil Jayasooriya wrote:
> Hi all,
>
> I am running sendmail with MailScanner on CentOS. I want to enable some
> restrictions.
>
> Restrictions are given below.
>
> All clients Currently can send Bcc from their workstations as usual. I
> want to disable (block Bcc) that feature. Can I do it from the Sendmail
> Server ?

No...or it will take some serious ruleset creation. Better install
libmilter (sendmail-devel package) and use mimedefang.

>
> All clients currently can send Cc form their workstations as usual. I
> want to limit it. Let's say about 5 Cc s .

Same as above if not more difficult to achieve with sendmail rulesets.

>
> All incoming mails are forwarded to another email address by using an
> alias .
>
> pls see below for ,
>
> /etc/aliases
>
> john:     john, mailbackup@example.com <mailto:mailbackup@example.com>
> userx:   userx,mailbackup@example.com <mailto: mailbackup@example.com>
>
> The above for incoming mail.

Better use .forward rules.

>
> Can I make a copy of ALL OUTGOING mail to one email address? let's say
> mailoutgoing@example.com <mailto:mailoutgoing@example.com>

mimedefang.

>
> And also enabling quota.
>
> What is the best way to add quota?
>

Filesystem quotas?

>
> last feature is adding a Global Address  Book. Let me explain about it.
> Let's say In MS exchange server, Whenever users are added, Those names
> will be available In a Global Address book. Then, No need to add email
> addresses to client's email programmes such as outlook express or MS
> outlook.
>
> Can I enable such a feature ?

The MS GAB is basically a LDAP directory just as Active Directory is
really LDAP + Kerberos + DNS + M$ extort^H^H^Hensions
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