hotmail-com.olc.protection.outlook.com[188.8.131.52] said: 550 5.7.1 [IR]
Our system has detected an excessively high number of invalid recipients
originating from your account. Contact your service provider for support
(in reply to end of DATA command)
What it means? Am I blocked from all Hotmail? or its temporary block? and what do I need to do to fix the problem?
This Hotmail SNDS program I signed up, shows this data (https://postmaster.live.com/snds):