Check in OE at Tools, Accounts, Mail, Properties, Advanced. If the
Break Apart option is checked, uncheck it.

If you have an anti-virus program scanning outgoing mail, disable that
option.

--

Mike - http://pages.prodigy.net/michael_santovec/techhelp.htm


"Didi" wrote in message
...
Trying to forward an email with attachment (jpg.1.35mb) this is the
error I
receive from MAILER-DAEMON: Remote host said: 550-X-Mime-Error.Serious
MIME
defect detected. No good to me! I haven't got a clue what there on
about!!
Any ideas please & another question: if I were to reinstall Outlook
Express
do I have to back up my original emails & where to? I have XP home.
Many
thanks.