Title: Blocking variable emails
Last modified: February 18, 2025

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# Blocking variable emails

 *  [seraphim](https://wordpress.org/support/users/seraphim/)
 * (@seraphim)
 * [1 year, 5 months ago](https://wordpress.org/support/topic/blocking-variable-emails/)
 * Hello,
 * Do I have to input individual emails or Is it possible to use something like:
 * *.[0-9][0-9][0-9][0-9][0-9][0-9]@gmail.com
 * I want to block emails that you coming in with fraud attempts formatted like (
   number of letters).six_numbers@gmail.com?
 * Thanks

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Plugin Author [con](https://wordpress.org/support/users/conschneider/)
 * (@conschneider)
 * Engineer
 * [1 year, 5 months ago](https://wordpress.org/support/topic/blocking-variable-emails/#post-18205652)
 * Hi [@seraphim](https://wordpress.org/support/users/seraphim/),
 * Regex expressions are currently not supported. I can try and add it. But it will
   be late January until I have some time.
 * Do I understand you correctly that you want to block:
    addresses like:
 * [john123456@gmail.com](https://wordpress.org/support/topic/blocking-variable-emails/john123456@gmail.com?output_format=md)
   
   [jane.doe999999@gmail.com](https://wordpress.org/support/topic/blocking-variable-emails/jane.doe999999@gmail.com?output_format=md)
 * Any number / type of characters followed by . six numbers.
 * Kind regards,
 *  Thread Starter [seraphim](https://wordpress.org/support/users/seraphim/)
 * (@seraphim)
 * [1 year, 5 months ago](https://wordpress.org/support/topic/blocking-variable-emails/#post-18206732)
 * Hi [@conschneider](https://wordpress.org/support/users/conschneider/),
 * Regex would be great. I’m trying to curb a PayPal credit card checking attack
   which features hundreds of emails formatted in the pattern I mentioned:
 * [any_number_of_letters]**.[**six_numbers]@gmail.com
 * Regex would allow some flexibility in blocking bots as they seem to be using 
   a recognizable pattern of email generation.
 * Thanks.
 *  Plugin Author [con](https://wordpress.org/support/users/conschneider/)
 * (@conschneider)
 * Engineer
 * [1 year, 4 months ago](https://wordpress.org/support/topic/blocking-variable-emails/#post-18236585)
 * Hi [@seraphim](https://wordpress.org/support/users/seraphim/),
 * I have worked on version 1.0.3 of the plugin. This version supports regex values.
   
   Can I ask you to test this on a staging site and let me know if that works for
   you?
 * Download via: [https://share.zight.com/Blum1qAy](https://share.zight.com/Blum1qAy)
 * Thank you,

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Blocking variable emails’ is closed to new replies.

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 * [Block Emails for WooCommerce Checkout](https://wordpress.org/plugins/wc-block-emails/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/wc-block-emails/#faq)
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 * 3 replies
 * 5 participants
 * Last reply from: [con](https://wordpress.org/support/users/conschneider/)
 * Last activity: [1 year, 4 months ago](https://wordpress.org/support/topic/blocking-variable-emails/#post-18236585)
 * Status: not a support question