Though the email clients like Outlook help in accessing email accounts locally on a computer, there are some errors that occur frequently. One such error reported by Outlook (Mac) users is the email error code 17099.
What is the error code 17099?
The email error 17099 shows an Error stating Authentication Required, and the result of the error is the Mail could not be sent. Generally, the protocol that deals with sending messages from an email account is SMTP. So, when the SMTP servers cannot send the desired message to the mail server, they return with the error code 17099.
What causes the error 17099?
The error code 17099 might be caused:
So, if you come across the email error code 17099 and are unable to send your emails, then try the methods given here to solve clear the error.
Method 1: Clear the Outbox folder
The steps for this method are:
Method 2: Rebuild the MS Office Database
The steps to rebuild the Office database are given below.
By following these methods, the email error code 17099 can be cleared. However, you can also increase the recipient's limit to avoid the error code in the future.Method 1: Clear the Outbox folder
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