Fix ports that were not able to find the milter includes (since it's not under /usr/includes anymore).
Input from sthen@, ok ajacoutot@ sthen@
ok ajacoutot@
The milter-checkrcpt plugin can be used with the milter API of sendmail(8) to filter mails with invalid recipients. The validity of a recipient address is determined by querying another mail server over SMTP. ok ajacoutot@