Sending email error "Authentication failed. Error 17897" in Outlook 2011 for Mac

Article translations Article translations
Article ID: 2492901 - View products that this article applies to.
Expand all | Collapse all

On This Page

Symptoms

When trying to send an email in Outlook 2011 for Mac, you may receive the following error: 
Authentication failed because Outlook doesn't support any of the available authentication methods.

Error Code -17897

Resolution

To resolve this issue, follow these Methods.

Method 1: Verify your Account settings


For information on how to setup your Account or view your account settins, see the following Microsoft Knoweldge Base article:

2352963 Set up or recover Hotmail, Gmail, or AOL (POP or IMAP) email in Outlook for Mac 2011

Note: Review images located in the article 235963 to make sure it matches your settings.

Method 2: Toggle Authentication off or on


To do this, follow these steps:

  1. Launch Outlook.
  2. Click Tools select Accounts.
  3. Select your email account.
  4. Click the More Options button under the Outgoing Server and trying the following configurations:
    • If the Authentication drop down box is set to None, click the drop down arrow and click Use Incoming Server Info and click OK.
    • If the Authentication is set to Use Incoming Server Info then click on the down arrow and click None and click OK.
    • If you are using a different provider for incoming as they are for outgoing mail then you will need to select “User Name and Password” next to Authentication and enter your username and password for the outgoing mail server. Click OK when done.

When done close the Accounts window. Open your Outbox folder and delete all messages then try sending a test email to yourself or other. 

If the issue continues to occur, change your SMTP port.

Method 3: Change your SMTP port

To do this follow these steps:

  1. Start Outlook.
  2. Click Tools then select Accounts.
  3. Select your account.
  4. Click to select Override default port box under the Outgoing server.
  5. In the port box, type 587.
  6. Click to select Use SSL to connect (recommended) box.
  7. Close Accounts window.
  8. Open your Outbox folder and delete all messages then try sending a test email to yourself or other. 

    Collapse this imageExpand this image
    Change your SMTP port



Properties

Article ID: 2492901 - Last Review: June 22, 2014 - Revision: 5.0
Applies to
  • Microsoft Outlook for Mac 2011
Keywords: 
dftsdahomeportal KB2492901

Give Feedback

 

Contact us for more help

Contact us for more help
Connect with Answer Desk for expert help.
Get more support from smallbusiness.support.microsoft.com