Which module of those. support choose for the site?

Question

Django

The task is as follows:
there are several departments, each of them has its own mail, when a client opens a chat, he fills in the phone number, email and answers leading questions, then writes a message. The message is sent to the email address of the department selected by the questions configuration.
Specialists of the department respond to the email specified in the letter.

Answer 1

A condition to write faith does not allow?
Didn't see anything specific

Answer 2

I see that it’s easier to order a development for your tasks and cut down a pretty, neat little window. I do not see the need for third-party services. There is an option to put something like Jivosite