[Exim] email identity usurpation

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Autor: S. Ancelot
Data:  
Dla: exim-users
Temat: [Exim] email identity usurpation



Hi,

I tried in my navigator to set an email account that does not exist
(toto@???)
I then sent a message to a collegue, and I could manage to understand
that any user in my network would be able to send messages over
internet using a wrong email adress.


How to avoid this ?

Bye
steph