I have been receiving emails from here up till 7:30am,4:30am server time this morning just fine.
Then email stopped working until a few moments ago. I just got a email.
So other that this morning you might have other issues spam filter or whoever is your provider for email may have it blacklisted.
That happened to me a few months ago and Rick pointed me in the right direction but he actually submitted the request to remove the black list I beleive.
