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<p>> <span style="color:rgb(33,33,33); font-family:wf_segoe-ui_normal,"Segoe UI","Segoe WP",Tahoma,Arial,sans-serif,serif,EmojiFont; font-size:13.3333px">It's a proxy and there isn't any reason that it would behave differently for a different mail client, but
be that as it may, it's the proxy doing whatever it's doing, not the client. The clients only do mail protocols.</span></p>
<p><span style="color:rgb(33,33,33); font-family:wf_segoe-ui_normal,"Segoe UI","Segoe WP",Tahoma,Arial,sans-serif,serif,EmojiFont; font-size:13.3333px"><br>
</span></p>
<p><span style="color:rgb(33,33,33); font-family:wf_segoe-ui_normal,"Segoe UI","Segoe WP",Tahoma,Arial,sans-serif,serif,EmojiFont; font-size:13.3333px">The ultimate issuer of the query is presumably always a proxy, I agree. I also don't see any reason why
it would behave differently for different mail clients. I've already observed some differential behavior, though, as the Exchange clients can handle NTLMv2 authentication and the Apple Mail clients can't.</span></p>
<p><span style="color:rgb(33,33,33); font-family:wf_segoe-ui_normal,"Segoe UI","Segoe WP",Tahoma,Arial,sans-serif,serif,EmojiFont; font-size:13.3333px"><br>
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<p><span style="color:rgb(33,33,33); font-family:wf_segoe-ui_normal,"Segoe UI","Segoe WP",Tahoma,Arial,sans-serif,serif,EmojiFont; font-size:13.3333px">Why this would be different is beyond me. I've just gotten clobbered a couple of times by it already.</span></p>
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> users <users-bounces@shibboleth.net> on behalf of Cantor, Scott <cantor.2@osu.edu><br>
<b>Sent:</b> Monday, October 23, 2017 4:28:04 PM<br>
<b>To:</b> Shib Users<br>
<b>Subject:</b> Re: Office 365 + Shibboleth ?</font>
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<div class="PlainText">On 10/23/17, 6:51 PM, "users on behalf of Klingenstein, Nate" <users-bounces@shibboleth.net on behalf of nklingenstein@calstate.edu> wrote:<br>
<br>
> I don't know whether it's client code doing it, but we are specifically experiencing this with the Exchange(.3.9) application on iOS<br>
> and Mac OS X. The native Apple Mail client on iOS 11.0.3 worked, but we didn't check Apple Mail on OS X(10.11).<br>
<br>
It's a proxy and there isn't any reason that it would behave differently for a different mail client, but be that as it may, it's the proxy doing whatever it's doing, not the client. The clients only do mail protocols.<br>
<br>
-- Scott<br>
<br>
<br>
<br>
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