1.
3.
Microsoft says Outlook.com outage is causing sign‑in failures
(bleepingcomputer.com)
4.
Microsoft fixes Classic Outlook bug causing email delivery issues
(bleepingcomputer.com)
5.
Microsoft links Classic Outlook issue to email delivery problems
(bleepingcomputer.com)
6.
Emails to Outlook.com rejected due to a fault or overzealous blocking rules
(news.ycombinator.com)
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Users fume over Outlook.com email 'carnage'
(news.ycombinator.com)