Microsoft 365 attachment limit

  • Resolved famarast

    (@famarast)


    2 years, 4 months ago

    I am sending mails via the Microsoft 365 API but I am experiencing a problem with attachments, when mails are larger than 3mb they do not start, inside fluentsmtp, in the response section of the unsent mail I see this error:

    {
"code": 423,
"message": "Request Entity Too Large",
"errors": [
"Request Entity Too Large"
 ]
}

    How can I solve the problem?

Viewing 1 replies (of 1 total)
  • Plugin Support Amimul Ihsan

    (@amimulihsanmahdi)

    Hello @famarast,

    The error is coming from the API calls from Outlook, the file is too large which outlook does not support. The client needs to upload a smaller file or you can contact outlook regarding the issue.

    Let me know the update.

    Thank you

Viewing 1 replies (of 1 total)
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