How to block sending e-mails if sender isn't equal with user

[hape]

Hi,

how to block sending e-mails on exim, is sender (e-mail) isn't equal with SMTP user?
Fo example someone logins as [email protected], but set name(sender) to [email protected]

 

[zEitEr]

Hello,

try this

- rewrite From header with smtp auth-ed username? | exim | users
http://www.gossamer-threads.com/lists/exim/users/95712

Found with Google, and not tested.