Ask HN: How to Block Spam Mails?

7 points by mpaepper 1y ago ↗ HN

For my SaaS, a lot of fake accounts are created which seem to be automated bots from @mail.ru @bk.ru @list.ru etc domains.

Now of course I could set up a manual block list or so, but I was wondering how you are doing it?

Is there an existing service or at least a good block list that I can already use?

Thanks!

[Edited for clarity]

3 comments

[ 7.5 ms ] story [ 35.2 ms ] thread

joey_spaztard 1y ago ↗

For clarity:

Do you mean "I want to block incoming spam email to my email addresses" or "I operate an email mailing list and I want to block bots from joining the list" ?

curious_curios 1y ago ↗

Put your site behind cloudflare with geo and bot blocking should eliminate the vast majority of them.

Bender 1y ago ↗

This is not an answer to your question but existing sanctions should allow you to configure your application to reject any email addresses that use the .RU TLD. Not a long term fix but may buy you time to configure restrictions on the front end whichever direction you decide to go.