Emails going to two different settings for one email address
I have recently pointed my domain to a big commerce store and so changed my email settings to match the new instructions given by BigCommerce.
I am not receiving all my emails, if I open my old computer with the original settings I find emails which I hadn't received with my new email settings. has this happened to anyone before and know of a solution or does anyone have ideas about how I might ensure all my emails come to one inbox.
It appears as if only emails from certain people are getting through and others are going to the old settings.
Almost as if the DNS settings haven't properly propagated fully. Ideas.