To unsubscribe from Wefunder emails, go to your email settings. You can subscribe to certain categories of emails and only receive emails that are relevant to you. Such categories include the following:
You will still receive emails from Wefunder relating to transactions and account activity. In addition, you will still receive updated from companies you have invested in and that are on your watchlist. If you wish to no longer receive those, you can change the last setting to "never".