Our company has an office 365 subscription and is developing a public facing site for Sharepoint Online 2013.
We want to add a contact form to this site.
We are developing a Sharepoint App which contains a custom web part for the contact form. This web part stores the submited messages in a list.
This works. But only for logged in users.
Is there a way to enable anonymous users to use this web part?
Or should we develop a Sharepoint solution instead?
Which is the best way to achieve this?