this is my first post, but i have reade more post in this forum.
my questions is:
i have a domain into my ironport that receive more invalid recipient but the hard bouns are generate from mail server after the incoming mail pass trhough ironport.
I don't have a ldap server
you can help me for find a solution for block the invalid recipients?
this is my idea:
create a new dictionary with into all host of the domain and i apply a policy for control this dictionary.
thi solutio have a problem that i must inser in dictionary every new user create in the mail server.