create account in mail.app using applescript

Hi has anyone been able to script the setup of accounts in apple mail
using applescript ?

Here's what I'm trying:

tell application "Mail"
		make new imap account with properties {server
name:"imap.server.net", authentication:password, name:"account name",
user name:"user@[EMAIL PROTECTED]
", full name:"Full Name", email addresses:
{"user@[EMAIL PROTECTED]
"}, port:143, smtp server:smtp server
"smtp.server.net"}
end tell

I get:
"Mail got an error: AppleEvent handler failed."

I'm using OS X 10.5.2

Luke