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User has an iphone 6 and for whatever reason can no longer delete emails from his phone that are connect to our exchange server. &nbsp;He gets the following error when he trys<br />
<a href="https://filedb.experts-exchange.com/incoming/2015/03_w14/905941/deanissue.JPG" target="_blank" title="issue with phone not removing email (14 KB)"><img alt="issue with phone not removing email" class="file-block lazyload" style="max-width: 213px;" data-src="https://filedb.experts-exchange.com/incoming/2015/03_w14/905941/deanissue.JPG" /></a>he is running the latest ios
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deanissue.JPG

User has an iphone 6 and for whatever reason can no longer delete emails from his phone that are connect to our exchange server.  He gets the following error when he trys

he is running the latest ios

Iphone 6 and exchange not playing nice

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

The iPhone is a smartphone made by Apple Inc. It and the iPad, along with several other mobile devices from Apple, run on the iOS operating system, which has its own topic, as does the iPad for device-specific questions. Native iOS applications are written in Objective-C or in Swift using the Cocoa Touch frameworks or HTML5 compiled with the help of a package manager such as Adobe PhoneGap; a common IDE is Xcode.

iPhone

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.