The iPhone's support for Microsoft's dominant email and calendaring Exchange platform is an essential part of iOS's appeal to business users. Integrating MS's ActiveSync mobile device connectivity into Apple's gear, which started back with iPhone OS 2.0 in 2008, helped make the upstart smartphone into a viable alternative to the dominant BlackBerry ecosystem (and look how that worked out).
Unfortunately, ActiveSync has always been a mite quirky on iOS. While the core email sending and rece
