You have a couple of options depending on how you have set up CoalaWeb Contact extension.
If you are using a module to display the contact form you can create a second module and override the component options from within the module under the General Options tab. You can create as many modules as you need each with a different recipient email addresses and even have multiple forms on the same page without conflicts.
You could use the same form for both and give the user an option to choose a different destination from within the form. This option is called Departments in the CoalaWeb Contact component and modules. You can change the Recipient option to Departments and then enter the options in the following format.
Dep 1:,Dep 2:
Does that answer your question?
Hi! I'm Steve the founder and head developer of CoalaWeb design studios. I'm an avid supporter of open source projects and the GPL license.