(*Send IP Applescript 2.1 by Eric Kiel*)
(*eric.kiel@gmail.com*)
(*Enjoy!*)
(*Copyright (c) 2006 Eric Kiel

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.*)
set theIP to do shell script "curl -sf http://checkip.dyndns.org/|cut -d ':' -f 2|cut -d '<' -f1|sed -e 's/ //g'" (*Get the current external IP*)

tell application "Mail"
	
	activate
	
	set theSender to "you@somewhere.com" (*Set this email address to the account Mail is using.*)
	
	set theSubject to "IP Address Notification" (*Change the subject to what you like/need.*)
	
	set theHost to "yourcomputername" (*Set this to the computer this is running on - helpful if you have multiple machines.*)
	
	set theAddress to "you@somewhere.com" (*Set this email address to where you want the notification delivered.*)
	
	set theBody to "The external IP address of " & theHost & " is " & theIP & "." (*This is the body of the email-adjust as you like.*)
	
	
	set newMessage to make new outgoing message with properties {subject:theSubject, content:theBody, sender:theSender, address:theAddress}
	
	tell newMessage
		
		make new to recipient with properties {address:theAddress}
		
	end tell
	
	send newMessage
	delay 25 (*I found it useful to give Mail a few seconds before quitting to make sure the message is sent.*)
	quit
	
end tell