Hello:

I'm using my Hotmail account (now outlook) with Thunderbird using IMAP protocol, I use OSX so no antivirus in my system.

Everytime I sent an email I got duplicates in my Sent folder, among this issue my Sync is working fine so far.

I really don't know what else to do, I verified all the settings and are fine, posted this same question in the Mozilla forum, but still nobody pinpoint this problem.

Any ideas what else can I do?.


Regards