Owa App Only Working With Wifi
All roles are installed on each server. The exchange 2013 is setup as the CAS server for connections, as I have made the required changes in dns to point to it. The one issue I have come across is that OWA is not working properly, when a users mailbox is on the exchange 2010 server. He can login to OWA, but the page is all garbled. Learn about the Outlook Web App, which was called Outlook Web Access in version of Microsoft Exchange earlier than 2010. This article provides a brief overview with links out to helpful information. By default, when you install Microsoft Exchange 2013, you enable Outlook Web App. Microsoft Outlook Web App lets users access their Exchange.
Email Not Syncing Over Wifi
This is usually the result of authentication issues. In order to prevent strangers from using their SMTP server to send spam, many ISPs require users to authenticate when they try to send email while accessing the server from outside the network. In many cases, users will also need to use a different port number and may need to use SSL.
Owa App Iphone
Check Outgoing Server AuthenticationTo check or change the outgoing server authentication, you need to open the Account settings dialog. In Outlook 2010 or Outlook 2013, this is on the File tab, and on the Tools menu in Outlook 2007 and earlier versions.After opening the dialog to the list of email accounts, double click on the email account then click the More Settings dialog and select the Outgoing server tab to check the authentication settings.Enable My outgoing server (SMTP) requires authentication and select Use the same settings as my incoming mail server. These settings will often work both at home and when traveling.You'll also want to check the port and SSL settings on the Advanced tab. Commonly used port numbers are 587, 465, and 1025 but if these don't work, you'll need to check your mail providers support pages for the correct port number. You may also need to select SSL or Auto for encrypted connections; again, this information should be on your mail providers support website.Once you make these changes, you should be able to send email from home, coffee shops, or hotels. What version of Outlook and Exchange?If Outlook can connect to the email server, it should work. It's all done over the https port and shouldn't be filtered - and if it is, both incoming and outgoing will be blocked.
Outlook Web App Offline

(Diagnostic software like Fiddler will cause problems, but both directions should be affected.)It could be OAB issues - Outlook needs it downloaded. First test connectivity - see if any errors come up. Then make sure the offline address book is published for external connectivity. 'Set-OABVirtualDirectory -identity 'server nameOAB (Default Web Site)' -externalurl -RequireSSL:$true.