Thanks very much for your responses. I am guessing from this point it is
between my CA Anti-Virus which does scan outgoing e-mail, the fact that I
had my Windows firewall engaged while using my Linksys WRT54G router (which
I am told not to bother using both) and perhaps my MTU which is set on the
router to 1300 should be set back to AUTO. I am trying to work witht his as
well.

Great assistance from both of you and again I appreciate it.

Sam
"dreamer" wrote in message
news:3d4Bi.101794$rX4.78258@pd7urf2no...
Hi all,

I'm sure what i am missing here. Whenever I try to send an e-mail around
5MB or so, Outlook 2003 says it is sending it and then doesn't. I get a
message saying the following in the 'SEND/RECEIVE PROGRESS' window. I
called my ISP (Shaw) and they said it is my CA Antivirus. So I disabled
it. Still did the same thing. 5 minutes later, the attachment (PDF 6MB)
shows up. I have no idea what is going on. Is there a setting in Outlook I
should be looking for. I never had this problem before.

Task 'shawmail - Sending' reported error (0x8004210B) : 'The operation
timed out waiting for a response from the sending (SMTP) server. If you
continue to receive this message, contact your server administrator or
Internet service provider (ISP).'
and
Task 'shawmail - Sending' reported error (0x800CCC0B) : 'Unknown Error
0x800CCC0B'

Thanks in advance.
Sam