c# - Loading OWA Web Part in iFrame, how can I pass in the windows authentication -


so have done bit of research on matter. according link:

http://technet.microsoft.com/en-us/library/bb232199(exchg.80).aspx

in "permission using outlook...." section says:

to use outlook web access web parts, must, @ minimum, delegated "reviewer" access content opening. if have embedded outlook web access web part requires authentication application, must pass authentication information through request web part. one way configuring outlook web access virtual directory use integrated windows authentication. integrated windows authentication lets users have logged on using active directory account use outlook web access without having enter credentials again.

the sysadmin here not want since fallback (if there not on right domain , auth fails) having owa use integrated security guess sends form password in plain-text. according him, have not researched yet.

i have asp.net mvc4 intranet application in development, , using windows authentication. 2 questions:

  1. is there way pass credentials iframe without messing the exchange server setting?

  2. if so, how can it?

i lied, 3 questions:

/3. if had exchange setting allow integrated windows auth, , try hit site different domain not authorized, how fall login form, , security risk?

here iframe code:

 <h2>inbox</h2>     <iframe            src="http://server/exchange/user/?cmd=contents&fpath=inbox"         width="100%"          height="300"          sandbox="allow-scripts allow-same-origin"         seamless          frameborder="0"></iframe>


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