I've read that this should be supported by Zoho. It's sorta works but will not sync when I delete email items on my computer in Outlook or the Zoho web mail. I see that it goes to the trash folder in Outlook and I see that it goes to the trash when logged into mail.zoho.com. But in the Android mail app (Gmail) it doesn't sync the trash folder and items deleted in Outlook on my PC remain in the inbox on my phone. The opposite appears to work: Items deleted on my phone sync back and shows up deleted in all other clients/devices (Outlook and Zoho).

When I look at the account settings on my phone, I don't see all folders under "Folder sync settings". Trash and Drafts are missing. Not sure if this could be causing the problem. I don't see any way to add folders.

I also couldn't get ActiveSync to work correctly in Outlook on my PC, so I am using IMAP there, even though I would rather use ActiveSync. I can't remember the particular problem but I got very frustrated with it and set it back to IMAP.

Any help is appreciated.