Article ID: 2443563 - Last Review: August 29, 2011 - Revision: 3.2

Outlook 2011 Error 3259 -"An operation on the server timed out. The server may be down, overloaded, or there may be too much net traffic."

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SYMPTOMS

When sending email in Outlook 2011, you may receive an error: 

Error - An operation on the server timed out. The server may be down, overloaded, or there may be too much net traffic.
Explanation
Mail could not be sent.
Error -3259

RESOLUTION

Step 1: Verify that you can connect on the web

First, test to see you can sign in using the web based application.  For example, if its a Gmail account, visit gmail.com and Sign in. If you were able to sign in then proceed to the next step.  If you are not able to sign in, contact  your email client to obtain correct user name and password.

Step 2: Change the SMPT port to 587

  1. Start Outlook.
  2. Click Tools then select Accounts.
  3. In the Outgoing Server box change the port to 587.
  4. Close the windows and try send/receive again.



APPLIES TO
  • Microsoft Outlook for Mac 2011
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