As others have said, there's no complete way to keep someone from sending
mail without losing other things. Here are some ideas though:
1.) In addition to the previously-mentioned mode of blocking mail receipt,
I can think of two other options:
a.) ln -s /var/spool/mail/user /dev/null
* Christopher S. Swingley <[EMAIL PROTECTED]> [2001.11.26 20:59:18-0900]:
> Dunno how to stop someone from sending mail. Maybe an iptables rule
> that uses the --m owner --uid-owner switches to block port 25 to
> that user? Course, if you're running potato, you've probably got a
> 2.2 kernel, so
* Mike Egglestone <[EMAIL PROTECTED]> [2001.11.26 21:51:42-0800]:
> Is there a simple way to stop a user from being able
> to send and receive email?
>
> Potato r3 running exim.
not really, since that user could always telnet to a relay through
port 25 and send with SMTP.
if you were using iptab
> Is there a simple way to stop a user from being able
> to send and receive email?
Stopping the receiving is easy -- just create an empty file in
/var/mail/$username and change it's permissions to 444.
Dunno how to stop someone from sending mail. Maybe an iptables rule
that uses the --m owner -
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