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I Used to Be RJB
Guest
As soon as I turn on MSFT Defender's "Privacy Protection", all of my outgoing Outlook messages fail INSTANTLY, with the following returned: host eig-east.smtp.a.cloudfilter.net [18.215.xx.xxx] SMTP error from remote mail server after end of data: 550 Connection Rejected - see http://www.spamhaus.org/query/ip/[My IP Address] AUP#BL When I turn OFF Privacy Protection, they go through fine. It is literally a one-to-one correlation between Privacy Protection being "on" and messages failing.
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