[exim] Blocking non-existant Domain Names

Etusivu
Poista viesti
Vastaa
Lähettäjä: Craig Whitmore
Päiväys:  
Vastaanottaja: exim-users
Aihe: [exim] Blocking non-existant Domain Names
I've noticed that Exim accepts non-existant domain names in the mail from.

Has anyone an ACL which will block this? (ie if looking up a domain and
getting NXDOMAIN) to give a fail in the mail from acl (or similar)

Thanks
Craig