Instagram support email is just an option to provide you some help regarding your issues. For any help, Instagram have introduced the Instagram help for any information user want. Instagram has also given an option to support you on your content. When you open the profile tab, you tap the three bars and reach to the settings. In settings, you see several options. In help center, you can get any information for your Instagram account.
In support section, there is an option ‘report a problem. Tap on it and you can report for any spams or abuses. You get three options for help. Tap on it and you can report your problems to the Instagram. This is the best way to protect your content from spam.