office 365 SMTP outlook error:

Error: Message failed: 554 5.2.0 STOREDRV.Submission.Exception:OutboundSpamException; Failed to process message due to a permanent exception with message [BeginDiagnosticData]WASCL UserAction verdict is not None. Actual verdict is RefuseQuota, ShowTierUpgrade. OutboundSpamException: WASCL UserAction verdict is not None. Actual verdict is RefuseQuota, ShowTierUpgrade.[EndDiagnosticData] [Hostname=HK0PR02MB3217.apcprd02.prod.outlook.com]
      at SMTPConnection._formatError (/Users/qilongyu/personal-code/qerFriends/node_modules/nodemailer/lib/smtp-connection/index.js:784:19)
      at SMTPConnection._actionSMTPStream (/Users/qilongyu/personal-code/qerFriends/node_modules/nodemailer/lib/smtp-connection/index.js:1674:34)
      at SMTPConnection.<anonymous> (/Users/qilongyu/personal-code/qerFriends/node_modules/nodemailer/lib/smtp-connection/index.js:1152:22)
      at SMTPConnection._processResponse (/Users/qilongyu/personal-code/qerFriends/node_modules/nodemailer/lib/smtp-connection/index.js:947:20)
      at SMTPConnection._onData (/Users/qilongyu/personal-code/qerFriends/node_modules/nodemailer/lib/smtp-connection/index.js:749:14)
      at TLSSocket.SMTPConnection._onSocketData (/Users/qilongyu/personal-code/qerFriends/node_modules/nodemailer/lib/smtp-connection/index.js:189:44)
      at TLSSocket.emit (node:events:520:28)
      at TLSSocket.emit (node:domain:475:12)
      at addChunk (node:internal/streams/readable:315:12)
      at readableAddChunk (node:internal/streams/readable:289:9)

How to Solve:

1. Check whether user and from is the same or not? (Solution)

2. Check whether it has been limited, just check the ms email in outlook mail.