Submit A Regular Expression for Inclusion

Thank you for participating. A few quick notes before you submit. First, check the host you are trying to add a block for against the test tool first to see if it may already be in the database. If it is already in the database, feel free to add a comment. If it is still in testing / user contrib then by all means vote for it as well.

Enter a hostname to see if it's been blocked.

REMEMBER! This is a valuable resource, so be careful before submitting. Please do not abuse the tool.

Finally, you will have to provide us with your particulars so that we can follow up on your submission if need be. This could occur if an entry was added incorrectly and we needed to get the correct details. Note: Your email addresses will NOT be displayed on these web pages, only your name.

Submission Tips

Create your Expression

Please Choose the Type of Entry

This is a DUL Style Entry (
This is an expression representing another spam host

Give an example address you are trying to block

Give the example regular expression you wish to submit (See examples)

Evidence is nice to have when someone challenges an entry you have submitted.

Please Provide some personal information

First Name
Last Name
Email Address
Please give us a short reason why this entry was submitted (max 60 chars) for inclusion in listing (See examples)

Optional Additional Information

If this entry was discovered from a spam email, please try to include the headers of that email. (Optional)

You can provide longer comments here which will be displayed as a reference on why you submitted this entry. (Optional)

The characters shown in the image below

Below we have a sample of what your submission will look like:

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