HN has a delightfully manual process for such things. You write an email to Dan at <hn@ycombinator.com> and politely make your case. That said, the problem li

HN has a delightfully manual process for such things. You write an email to Dan at <hn@ycombinator.com> and politely make your case. That said, the problem likely isn't the lack of upvotes, but that your submissions were all to your own site. HN is not intended for advertising. Getting Dan to reinstate posting privileges for your account will probably require agreeing not to make future posts that look like advertising.