On 18 Jan 2005 at 8:58, Dickenson, Steven wrote about
"RE: [exim] helo checks":
|...
| I'm doing the following HELO checks in my rcpt acl.
|...
| # Likewise if the peer greets with one of our own names
| deny
| message = Sorry, that domain belongs to us. Get your own.
| log_message = remote host used our name in HELO/EHLO greeting.
| condition = ${if match_domain{$sender_helo_name}\
| {$primary_hostname:+local_domains:+relay_to_domains}\
| {true}{false}}
Typically you'd want to condition this on the message coming from an
external and/or unauthenticated source. Other machines on your LAN
are usually expected to HELO with a name in your domain.
- Fred
