[Solved] Ironport rejecting emails [closed]

IronPort utilizes 4 Host Access groups which decide what policy will be applied to a sender based on their reputation on SBRS. WHITELIST: $TRUSTED (My trusted senders have no anti-spam scanning or rate limiting) BLACKLIST: sbrs[-10.0:-3.0] $BLOCKED (Spammers are rejected) SUSPECTLIST: sbrs[-3.0:-1.0] $THROTTLED (Suspicious senders are throttled) UNKNOWNLIST: sbrs[-1.0:10.0] sbrs[none] $ACCEPTED (Reviewed but undecided, continue … Read more