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Ask HN: How do I stop spam registrations?

1 points by webstartupper ↗ HN
Hi All,

For the last few days, I have had an increased number of spam registrations at my website domcop.com. Registrations are being made with fake email addresses. I use Google Apps SMTP to send email from the server and all these emails have bounced back with the error "rejected by the recipient domain". They all come from unique ip addresses and are being submitted manually. I can't figure out why someone would do this. They don't get access to the site without confirmation of the email addresses.

Anyone else out there have this issue. Is there anything I can do to stop them? I can't quite figure out how this benefits anyone - even my competition. Am I missing something?

Thank you for your time

3 comments

[ 2.8 ms ] story [ 18.7 ms ] thread
gradschool
Did any of the people with fake email addresses confirm their registration using the confirmation links sent in the email? Maybe the bounce messages are spoofed.
webstartupper
None of the email addresses exists - hence all the emails bounce back. The user records are added to the system when the user registers but they cannot confirm it since they never get the email. The bounce messages are real.