I have set up the new IMAP open beta for both Outlook 2007 (works fine) & Windows Mobile 6.1 (Verizon Samsung Omni i900). On the phone, the account sets up correctly and does Send/Receive without errors, but no messages appear in the Inbox - ever.
Win Mo Settings:
Your Name: me
Account display name: mydomain
Incoming mail server: imap.zoho.com:993
Account type: IMAP4
Password: ********
Save password: check
Outgoing (SMTP) mail server: smtp.zoho.com:465
Outgoing server requires authentication: check
Use the same user name... : check
Require SSL for Incoming: check
Require SSL for Outgoing: check
Network connection: The Internet
Automatic Send/Receive: Every 15 minutes
Download messages: From the past 30 days
Send/receive with I click Send: check
Use automatic send/receive schedule when roaming: NOT checked
When deleting messages: Move them to server trash
Message format: HTML
Message download limit: All text, no pictures
Download attachments: Less than 250 KB