See this first:
http://insideoe.tomsterdam.com/probl...htm#foldersdbx

If compacting does not resolve the problem, read the consequences, and
follow the directions below.

0x800c0131: Damaged or missing folders.dbx file

Symptoms

You are unable to send email, and you receive the following message:

Unknown error has occurred. Protocol: SMTP Port: 0 Secu No [SSL] Error:
0x800c0131

Cause
This behavior can occur if the Folders.dbx file is missing, damaged, or
using the read-only attribute.
Resolution
Rename the Folders.dbx file:
1. Click Start, point to Find, and then click Files or Folders.
2. In the Named box, type folders.dbx.
3. In the Look In box, click your primary hard disk (usually drive C), and
then click Find Now.
4. Right-click the Folders.dbx file, and then click Rename.
5. Type folders.old, and then click OK.
6. Start Outlook Express. This creates a new Folders.dbx file automatically.

For more information on this issue, consult Microsoft's knowledge base
article:
Microsoft Knowledge Base Article Q233264
http://support.microsoft.com/default...NoWebContent=1

--
Bruce Hagen
MS MVP - Outlook Express
~IB-CA~

"Peter24" wrote in message
...
Hi, I have a problem sending email with OE6 although it doesnt happen all
the
time. sometimes when I close down all other programs and files it will
send.
Other times it will only send after rebooting. the error message i get is:
An unknown error has occurred. Protocol: SMTP, Port: 0, Secure(SSL): No,
Error Number: 0x800C0131

any ideas?
cheers
--
Peter24