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office_365_spam [2018/04/09 09:56] (current)
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 +====== Office 365 Spam ======
  
 +===== Outbound Spam Protection =====
 +
 +There is built in outbound spam protection in Office 365 that you can't disable. If a mailbox is sending spam, it will be blocked from sending outbound email. They will get the following bounce:
 +
 +[[https://​gallery.technet.microsoft.com/​office/​550-518-Access-Denied-Bad-bf336c1b|Office 550, 5.1.8, Access Denied, Bad outbound sender]]
 +
 +That article shows how to unblock the mailbox after you've fixed the problem.
 +
 +{{page>​ad&​noeditbutton&​nofooter}}
office_365_spam.txt ยท Last modified: 2018/04/09 09:56 (external edit)