tell application "Mail"

  quit

end tell

 

tell application "Terminal"

  activate

  set ReceiptActive1 to "defaults write com.apple.mail UserHeaders '{"

  set ReceiptActive2 to "Disposition-Notification-To"

  set ReceiptActive3 to "="

  set ReceiptActive4 to "mail@example.com"

  set ReceiptActive5 to ";}'"

  set zeichen to ASCII character 34

  set neueZeile to ASCII character 13

 

  do script ReceiptActive1 & zeichen & ReceiptActive2 & zeichen & ReceiptActive3 & zeichen & ReceiptActive4 & zeichen & ReceiptActive5 & neueZeile

 

end tell

 

delay 2

 

tell application "Mail"

  activate

 

end tell

 

tell application "Terminal"

  quit

 

end tell

tell application "Mail"

  quit

end tell

 

tell application "Terminal"

  activate

 

 

  do script "defaults delete com.apple.mail UserHeaders"

 

end tell

 

delay 2

 

tell application "Mail"

  activate

 

end tell

 

tell application "Terminal"

  quit

end tell