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Outlook.com
Microsoft has re-opened a previous incident for an issue that is affecting third party connections to a small number of Outlook.com mailboxes and other free Microsoft email accounts (link to their status page is below).
This issue can cause Nylas accounts connected to these mailboxes to abruptly go invalid and require re-authentication to continue. Our system automatically retries the credentials before setting accounts Invalid, but Microsoft's servers are still incorrectly rejecting them at times. This has been occurring sporadically since late January.
Until Microsoft resolves this issue, our recommended work-around is to ensure that the users are authenticating these accounts with App Passwords and re-authenticate when the Nylas account goes Invalid.
More information: https://support.microsoft.com/en-us/office/outlook-and-other-apps-are-unable-to-connect-to-outlook-com-f4202ebf-89c6-4a8a-bec3-3d60cf7deaef
PSTN Calls
Dear Valued Customer,
We observed partial\intermittent Inbound Call failures in the India region towards Mumbai phone numbers. Calls originating from International Caller IDs towards India were not affected. All other services are operating normally.
We're actively working with our carrier partner to get this issue resolved as soon as possible.
Please contact Plivo Support for any questions. Support portal: https://support.plivo.com/hc/en-us