Did the message have a message-id header field, there is a known problem with
messages without message-ids.

On Tue, 30 May 2000, Toivo Pedaste wrote:
> Package: kmail
> Version: 1.1.48 (KDE 1.90 Beta >= 20000517)
> Severity: grave
> 
> When I tried kmail with a 2meg mail message with lines of the form
> 
> 130.95.50.133  (130.95.50.133)
>     111:tcp
>             40   29/05 01:09-01:09  216.148.73.6  (216.148.73.6)
> 
> 130.95.50.136  (130.95.50.136)
>     111:tcp
>             40   29/05 01:09-01:09  216.148.73.6  (216.148.73.6)
> 
> 130.95.50.138  (130.95.50.138)
>     111:tcp
>             40   29/05 01:09-01:09  216.148.73.6  (216.148.73.6)
> 
> 130.95.50.141  (130.95.50.141)
>     111:tcp
>             40   29/05 01:09-01:09  216.148.73.6  (216.148.73.6)
> 
> 130.95.50.144  (130.95.50.144)
>     111:tcp
>             40   29/05 01:09-01:09  216.148.73.6  (216.148.73.6)
> 
> it was still trying to display the message after 30minutes when
> I killed it, it was using cpu all this time