How To Turn Off Forum Email Alerts ?

If you're on desktop:

Hover over your username in the top right corner
--> Click Preferences
--> Unclick "and receive email notifications of replies" under Options

 

How do I do this on an iPhone?

 

To the left of inbox is an invisible link to your profile. It’s there when I’m on my laptop but invisible on my iPhone. But click on the black part and it works.

 

Or you can use the site tree to the right of the forum tabs but @mcherry ’s way is better.

 

so I tried this because I noticed some in my promotions folder...and now I'm still getting them AND getting notification pop ups for them on my phone