Verifying email performance is more than the basic understanding of message flow. Outbound mail in the form of Simple Mail Transfer Protocol (SMTP) and inbound mail through MAPI or Microsoft’s Graph API only parts of email systems to monitor, usually through pings or basic delivery confirmations. Often, once email is moved to Exchange Online, even…

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Unable to send, receive, or search email through Exchange Online? Microsoft Outlook suffered an outage for several hours last night, disrupting North America and worldwide email services. Proactive and Early Outage Detection Exoprise sensors first detected and confirmed the outage at 11.03 pm in our London region last night. There was a second outage at…

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