How to download the Block Lists Database?

Access to the Block Lists Database is available via SFTP. You can find the login details on your Block Lists Database dashboard.

How often is it refreshed?

The information in the Database is updated once per hour.

Can we get the Block Lists Database in JSON format instead of CSV or IPSET?

For optimal performance, the data is provided in CSV and IPSET formats. JSON was considered but requires more memory for processing.

I want to use the spam_check API method. Which package is right for me?

If you plan to check around 10,000 or fewer addresses per month, you can use the minimal tariff. For higher volumes, consider the standard or professional packages.

What do you mean by Spam records frequency?

Spam records frequency is the number of websites that reported spam activity from an IP or email. It can range from 0 up to 9999.

How do you collect data and identify malicious IPs or emails?

CleanTalk collects and processes block list data automatically using its own mechanisms and real-time spam activity analysis across websites.

Would you be able to tell us approximate amount of new entries per day?

You can see the approximate number of records added to the Database daily in the daily statistics section on the page.

I have records with frequency greater than or equal to 200. Is the API only returning 200+ frequency IPs?

No. The API returns the freshest data possible and the limits of the Offline Database do not apply to API calls.

dung.org emails spam activity rate

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#	Emails count	Blacklisted emails count	Spam rate
1	9	3	0%

Spam activity log

— spam active emails

#	Email	Detected	Last seen	Attacked sites
1	an@dung.org	2026-10-15 06:03:58	2026-10-28 12:08:32	5
2	adam@dung.org	2026-10-07 05:24:13	2026-10-26 21:29:37	11
3	adela@dung.org	2026-10-06 21:53:35	2026-10-28 17:43:39	6

#	Email	Detected	Last seen	Attacked sites
1	adam@dung.org	2026-10-07 05:24:13	2026-10-26 21:29:37	11
2	adela@dung.org	2026-10-06 21:53:35	2026-10-28 17:43:39	6
3	an@dung.org	2026-10-15 06:03:58	2026-10-28 12:08:32	5

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Details DUNG.ORG

Spam activity log

New emails DUNG.ORG

TOP 20 active emails DUNG.ORG