Ban temporary/disposable email addresses

[007]

I had some users sign up with email addresses from free disposable email address services and came up with a list of some of the more popular domains that host such services. These users are 99-100% of the time signing up just to spam, which is why they want to use a quick temporary address. That's the problem with services like this. They encourage spam more than they help it.

If you want to limit members to people with real email addresses and not just temporary ones used just to confirm at registration, I suggest you ban the following emails:

@mailinator.com, @mailexpire.com, @mytrashmail.com, @spamhole.com, @jetable.org, @spamgourmet.com, @dodgeit.com, @sneakemail.com, @trashmail.net, @pookmail.com, @spamspot.com, @e4ward.com, @greensloth.com, @kasmail.com, @mailnull.com, @spamday.com, @spam.la, @spammotel.com, @tempinbox.com, @willhackforfood.biz

Feel free to add to this list!

There's still hotmail and gmail, etc, but many people use those for their primary email addresses. I wouldn't suggest blocking them.