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Question

Do the application keys for Outlook have a limit of emails they can send out? If not, what else can be the reason for this error: [429] Application is over its MailboxConcurrency limit?

  • August 6, 2024
  • 0 replies
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Do the application keys for Outlook have a limit of emails they can send out? If not, what else can be the reason for this error: [429] Application is over its MailboxConcurrency limit?