thanks for enlightening me on this matter

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Len Conrad
Sent: Wednesday, March 06, 2002 1:19 PM
To: [EMAIL PROTECTED]
Subject: Re: [IMail Forum] Users using other people's account



>I would like to know how can I disable users from using other people's
>account
>to send mails.

you can't, all headers are forgeable.

>It looks like anyone can configure anyone's account on email client
>to send mails but not receiving, as it will prompt for password.
>Is there any way I can prevent this situation ?

no

With email, privacy is non-existant, delivery is not guaranteed, and 
authenticity is a joke.

Len

http://MenAndMice.com/DNS-training
http://BIND8NT.MEIway.com : ISC BIND for NT4 & W2K
http://IMGate.MEIway.com  : Build free, hi-perf, anti-abuse mail gateways


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