When the administrator receives an email message from a contact request, for example (or any other that involves interaction with the user that fills in the form on the website), he/she can never reply through the button Answer/Reply, as it usually would be.

If a website with the Newsletter modules is hosted outside Plako, the whole automatic return treatment system will not be available.The sending system is also different, once it'll not be sent by an external system (as happens in Plako's servers).

In order to integrate the Paypal system with your online store, you just have to send us your username and password for the PayPal account.

Yes, it is. However, in order to know how many times an entry has been read, it's not necessary to have a Statistics module, It is enought if you have the "Readings' counter" module.