You can use Safeguard Send for this from Sperry Software;
http://addins.howto-outlook.com/sperry_safeguard
If you decide to order use BH93RF24 to get a discount.
--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
Outlook FAQ, HowTo, Downloads, Add-Ins and more
http://www.msoutlook.info/
Real World Questions, Real World Answers
-----
"Simon Minder" <(E-Mail Removed)> wrote in message
news:4F782FC4-FBA0-4521-B06F-(E-Mail Removed)...
> Dear all,
>
> Let's assume I have 15 contacts in my contact list in Outlook. 5 contacts
> are clients and I would like to get an alert (e.g. a message before I send
> /
> background color of the message changes, when I add one of these five
> contacts), before I send the e-mail.
>
> The alert would allow me to review the message once again before the
> message
> get sent out.
>
> Do you know any Add-in that would support this functionality or could I
> solve this with VBA?
>
> Best wishes,
>
> Simon Minder