Hello,
I've been trying Your solution but with no go...

Opera Mail still deleting my emails in INBOX folder, I have enabled logging and heres the output:

https://dl.dropboxusercontent.com/u/103423538/opera_mail_log.txt

I have trimmed log, it ends in moment when log contains message contents, also email address is hidden (as XXXXX@XXXXX.COM
Hope someone halps with this strange problem.

Regards,
wpinacz

Hi,
I'm using Opera Mail for short time but i have similar problem:

• I have 2 IMAP accounts - gmail and outlook.com (hotmail)
• Gmail works fine
• outlook.com got IMAP support for few months now, but my emails are missing:
  After setup outlook.com account in Opera Mail, whole emails are syncing without problem (about 1200 emails), but when i close and reopen Opera Mail then everytime Opera deletes about 400-500 newest emails in my INBOX folder, when i hit button to check this account Opera downloads them again, after that i close Opera, same day opens Opera and my emails in INBOX are gone again.

I was trying deleting account / changing UIDPlus (QRESYNC disabled by default)

PC Specs:
Lenovo G570 (Intel Core i3)
Windows 8.1 64bits
User with full privileges
Opera Mail v1.0 build 1040

P.S. Mozilla Thunderbird works fine without losing any emails, but i liked Opera Mail for its simplicity and fast launching

Thanx for any advice, and sorry for my bad english.

Regards.
wpinacz