Updating Network Manager breaks pan

[Bruno Wolff III]

On Mon, Nov 08, 2010 at 01:20:45 -0800,
  Chuck Forsberg WA7KGX N2469R <caf at omen.com> wrote:
> I reinstalled F14 64 on my office computer and Pan worked correctly.
> (The standard Fedora Pan.)
> I then ran "yum update NetworkManager*" and that broke Pan's
> ability to download large yenc encoded postings.

There have been a few threads on the mailing list about this. I have not
seen a work around posted yet, but might have missed it. Presumably someone
in those discussions filed a bug about this issue, and you might try looking
for it to get more information.