I have an iphone 6, running ios 9.3.2 and I have Yahoo mail. This morning, I checked my phone and saw that I had 2 new e-mails. I opened the mail app and before I could even finish reading the title of one of them, that ONE disappeared before my eyes. COMPLETELY! Not in the trash or anywhere, nor is it on my computer. It would be really irritating if the mail was just moved to the trash without my OK, but when it completely DISAPPEARS, well, this is just not acceptable! This same thing has happened a couple of times before and I can NEVER even look at the items in my trash without a bunch of them being deleted while I am trying to look for something. I want to be the boss of my mail, not my phone! Has if anyone else has encountered this problem?