[CentOS] yum difference

On Sun, Jan 9, 2011 at 4:02 PM, derleader mail <derleader at abv.bg> wrote:
> Yes it's free webmail. I don't understand what is broken in my web client?

It doesn't appear to know how to create the special In-Reply-To:
and/or References: headers that sophisticated email clients use to
track conversational threads.