Stopping spam at the source since the year 2000. Let us help your inbox achive "zero spam".
bl.0spam.org DNSBL | 0spam Spam Trap Primary Database
0spam.fusionzero.com DNSBL Mirror
nbl.0spam.org Network Black List | Spam Source Networks, high volume of spam trap hits in a Class C block will result in network listings in this DNSBL.
0spam-n.fusionzero.com Network DNSBL Mirror
url.0spam.org URL Black List | This list contains the IP address of domains found to be in the source of spam emails found in our traps.
0spamurl.fusionzero.com URL Black List Mirror
Nothing. The 0Spam Project is absolutely free for email providers, IT professionals and general removal request.
The 0Spam primary source of support comes in the form of donations to the project. Each donation helps us improve the platform and add additional functionality improving spam detection and false positive awareness.
The Project also offers additional services, including:
Any time spam is sent to our spam traps, an IP will be listed in the 0spam dnsbl(bl.0spam.org) with the data code of 127.0.0.# and if multiple trap hits are being detected from a single Class C set of IP's the block will be listed in the 0spam Network DNSBL(nbl.0spam.org).
We've combined machine learning to an intelligent anit-spam design in order to build the 0spam project.
New* Features:
Limited to 1,000 requests/second
How to use the "Zero Spam Project" URL-DBL for free(limit of 1,000 requests per second):
How to use the "Zero Spam Project" DNS-Whitelist for free(limit of 1,000 requests per second):
The wl.0spam.org lists IP's for trusted senders. Be sure to only place this in your mail server white list configuration or you will have lots of issues.
High traffic Usage
If you think your servers periodically go over 1,000 requests per second you can still use our service, but be aware our servers will ignore the requesting IP for a period each time requests exceed 1,000 per second and your servers will not be protected using the "Zero Spam Project" service during that time.
If you operate high traffic mail server(s) and consistently exceed 1,000 request per second limit or want access to our professional dnsbl services please contact us by selecting "Service Request" in the form to the right to request unrestricted access to our dnsbl servers for the best anti-spam results.
Premium access in access of greater than 1,000 query requests/second is available for for a monthly fee of $200 per 1,000/second.
Your computer/server or a previous user of this IP sent spam to a trap. Please scan your computer/server for malicious software and verify that senders from this IP are not using poor sending practices.
Listed with Data result 127.0.0.#
Listed with Data result 127.0.#.0
# Codes are as follows: (ie. General spam single IP result 127.0.0.1 )
Computer(s) and/or server(s) within your IP range have sent spam to our traps.
Most listing will be single IP listings(127.0.0.#) however when spam from a class C IP range hits a certian threshold a full class C block occurs. The following is outlined steps to prevent further spam which you should follow for removal.
Request Types:
Removal - For reporting a fix on your server and requesting it be removed from our black listing service.You must provide an explanation of what has been done to make sure we do not receive reports of spam from your IP Address/Range in the future. IMPORTANT!Other - Other reports that do not apply to any of the above or if you would like to support the 0spam project.
You should verify that your system is not compromised or open to relay.
You should Check your IP with other black lists at the complete DNSBL check.
Verify that your dns records are setup properly, an example of a proper dns report should look like this.
Service Request - 0spam provides premium anti-spam services, please use this option to request premium anti-spam.