>I have recently setup a server with imail and kwm.
>What do I need to do to secure the email system
>from others using it as a place to send spam from?
>
>I only want people to be able to send emails if they
>meet the following criteria:
>
>They are using their imail email accounts
>(or) their forwarded addresses
>(or) if they have an email address on an email list
Wrong. You only want them to be able to send E-mail if they have an account on your
server. If you allow people to send mail based on their return address, spammers will
just use a valid return address.
You want to use "Relay for addresses" (enter IP addresses that only legitimate users
would be coming from), and then use SMTP AUTH for everyone else.
>Is there a way to set this up without having to have
>them login?
Only if they are all coming from known IP addresses. Otherwise, they will need to use
SMTP AUTH, which will require them to log on (although it will be transparent to them).
--
-Scott
Declude: Anti-virus and Anti-spam solutions for IMail. http://www.declude.com
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