Rackspace has said its major security incident with its Hosted Exchange service was caused by a ‘zero-day’ exploit, and while the company continues to recover customer data it will not be bringing ...

Customers affected by a ransomware attack on Rackspace's Hosted Exchange Email have experienced service outages and a forced transition to Microsoft 365 — and have widely expressed outrage about an ...

Award-winning cloud communication and collaboration software adds hosted email archiving. Enables SMBs to extend business email to manage email retention, compliance and discovery issues. Rockville, ...

A single malicious email, opened or even previewed in a browser, can now execute attacker-controlled code inside your session. No clicks, no attachments, no links to follow. Microsoft has confirmed ...

A single email, opened in a browser, is all it takes. Microsoft Exchange servers running Outlook Web Access (OWA) are being actively exploited through a spoofing vulnerability tracked as ...

Microsoft announced today that it has canceled plans to impose a daily limit of 2,000 external recipients on Exchange Online bulk email senders. The change was announced in April 2024, when Microsoft ...