>Can you stop creating a new thread anytime you send an email ?
I'm really sorry... It's not deliberateWhatever I tried I could never prevent Thunderbird to create a new thread when I post in mageia mailing lists.
I ask for some help in an other place ... https://mageia.org/pipermail/mageia-discuss/20110927/005481.html I hope this doesn't make you to much angry ...
