microsoft-graph-mail

My application sends email using Microsoft Graph. We followed the documentation , this was working as expected for almost a year: https://graph.microsoft.com/v1.0/users/me/microsoft.graph.sendmail Since 3/8/2019, the same code sendmail API in PROD started failing with the HTTP 400 - Bad Request : { "error": { "code": "TargetIdShouldNotBeMeOrWhitespace", "message": "Id is malformed.", "innerError": { "request-id": "0de5a4eb-dac4-4d98-a4b4-178e503a6657", "date": "2019-03-19T17:16:20" } } } As a part of the investigation, we found that the SendMail documentation has a different URL used in the

As of this week I am suddenly getting gateway timeout from Graph when my mail search finds no results. I am using a query like this one: https://graph.microsoft.com/v1.0/users/shared@notreal.com/mailFolders/AllItems/messages?$search="participants:some.person@fake.com"&$select=from,subject,HasAttachments,Id,SentDateTime&$top=100 This is a Graph query which requests up to 100 emails from the Office 365 mailbox of shared@notreal.com where the sender or receiver includes some.person@fake.com . shared@notreal.com is a mailbox that is shared with the account making the call. My app is authenticated