Outlook 2011 For Mac Wont Authenticate Exchange Email

Posted : admin On 07.02.2019
Microsoft outlook 2011 for mac won

Start Outlook 2011 for Mac, click Tools, and then click Accounts. At the bottom of the window, click the PLUS SIGN (+), and then click Exchange. Enter your information in the E-mail address, User name, and Password text boxes.Make sure that User Name and Password is selected as the Authentication Method, and the Configure Automatically check box is selected. If this is the first account you're creating in Outlook 2011, under Add an Account, click Exchange Account. If you've previously created an email account for a different email address, in the lower corner of the Accounts dialog box, click, and then click Exchange. If your Mac is connected to the Internet, but Mail no longer sends or receives email messages, the issue could be with the provider of your email service.Or you could have missing or outdated settings in the Accounts section of Mail preferences (Mail > Preferences). Make sure that you have the latest version of Outlook for Mac 2011. After launching Outlook, click on Help in the top menu, and then click on Check for Updates. The application will now tell you if there are any updates.

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Microsoft Office 2011 For Mac Won't Open

URL: Note: sending as a Distribution List doesn't work in Outlook 2016. Once the permissions to send as a distribution list have been granted to your mailbox, you will need to set up the Send As ability for the user in Outlook 2011.

In of this article, we discussed symptoms of Mac Mail unable to connect to Exchange 2016 servers through KEMP LoadMaster load balancers. We also discussed troubleshooting steps that addressed the issue of ExRCA.com unable to pass EWS tests, however, we stopped there since Mac Mail failed to connect despite ExRCA EWS tests passed. Let’s see what we can do to get the Mac Mail to connect successfully to Exchange servers. Since we addressed the 100-continue handling in of this article, ExRCA tests did not indicate any more issues. Microsoft Outlook for Mac did not have issue connecting to Exchange even before we changed 100-continue handling to be RFC-7231 compliant.

Outlook 2011 For Mac Won't Open

At this point, I decided to look at the network trace. Looking at the trace captured using Wireshark on the client machine, I noticed the following HTTP dialog: POST /ews/exchange.asmx 401 Unauthorized POST /ews/exchange.asmx 200 OK POST /ews/exchange.asmx 401 Unauthorized POST /ews/exchange.asmx 401 Unauthorized POST /ews/exchange.asmx 400 Bad Request Notice how initial dialog included challenge response for NTLM authentication and ended with 200 OK. At this point Mac Mail client started with another POST operation to EWS. However, this time the pattern followed multiple 401 responses from server and ended with 400. When comparing that with Outlook for Mac, the pattern looked like the following: POST /ews/exchange.asmx 401 Unauthorized POST /ews/exchange.asmx 401 Unauthorized POST /ews/exchange.asmx 200 OK Notice how the pattern looks similar to Mac Mail’s second POST request, however, it ends with 200 OK. The response included data that was requested by POST operation.

Microsoft Outlook 2011 For Mac Won't Open

I needed to correlate this with the data being received on the Exchange server. Due to newer ciphers which use PFS (Perfect Forward Secrecy) I couldn’t decrypt data being received from load balancer by the server despite having the private key used to encrypt the information. I was able to decrypt client side traffic due to load balancer configuration of ciphers that didn’t use PFS. Best headphones for mac computer. I don’t recommend this configuration in production and KEMP LoadMaster default setup uses more secure ciphers.

Outlook 2011 For Mac Won't Authenticate Exchange Email Login

I had it configured this way only for troubleshooting purpose in my lab and no production data was in flight during testing. I was now facing the issue of capturing the headers from the server side. One way to address this is to configure list of ciphers used by server similar to what I had done on KEMP LoadMaster. However, in my test that did not work for some reason. I decided to use failed request tracing in IIS (big thanks to my Microsoft colleague Brad Hughes for the hint).