I tried to send a rather large message from WLM via my account on yahoo.com and it’s stuck, too large

All my sends are stuck and I don't know where to find that 'too large' mail on WLM to delete it.

The WLM error message is below, I was sending an email with 3 attachments about 2MB each. It appears the Yahoo server is rejecting my email because it's too large, I just need to know where to go to kill it in Live Mail, it's not in the 'Sent' folder because it hasn't been sent yet. Any assistance would be appreciated.

Your server has unexpectedly terminated the connection. Possible causes for this include server problems, network problems, or a long period of inactivity.

Subject 'Obama's Christmas Card'
Server Error: 552
Server Response: 552 Message Size exceeded
Server: 'plus.smtp.mail.yahoo.com'
Windows Live Mail Error ID: 0x800CCC0F
Protocol: SMTP
Port: 465
Secure(SSL): Yes

Lorin Boyack *** Email address is removed for privacy ***