Stack Overflow (the company) and Stack Exchange (the network) may send emails to their users for various reasons, ranging from support to marketing. However, it seems that there are multiple email domains that are being used, and some of them seem suspicious at first glance—or even get marked as spam.

What exact email domains are confirmed to be legitimately used by Stack Exchange?

1 Answer 1


These are email domains that are confirmed by Stack Exchange:

  • 4
    First revision: the email domains were collected by browsing my own email inbox, then cross-checking with posts on meta. Some of them might be outdated but I can't confirm without further research. As always, this post is free to edit and modify. Commented Jun 23, 2023 at 6:26

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .