ok, latest ispconfig installed on new ubuntu 11.04 server postfix/squirrelmail I started hardening email for spam HELO stuff works no prob RBL is when stuff happens (or doesn't) when i enabled abuseat & baraccuda I get rejected sending when i'm using squirrelmail to another mailbox within the same domain. I also tried to send from my isp acct to my internal and it gets rejected. neither isp or my server is on any rbl list. I kill the rbl settings and all is well again. It sounds like when using squirrelmail it's not treating it like an authenticated user Any ideas???