Hi guys,
I'm sorry you're having trouble with iOS 12 and ActiveSync. We believe this issue has to do with iOS strictly validating XML responses against the ActiveSync schemas. Several of our responses had elements out-of-order according to the schema, which didn't seem to cause a problem in the past. We are working to modify those schemas and hope to have a fix for this issue in the next SmarterMail 16.x release.
Andrea Free
SmarterTools Inc.
877-357-6278
www.smartertools.com