Title: Security Check Failed Error
Last modified: September 19, 2016

---

# Security Check Failed Error

 *  Resolved [developersba](https://wordpress.org/support/users/developersba/)
 * (@developersba)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/security-check-failed-error-2/)
 * email subscriber not sending:
    i am trying to send mail to all subscriber but
   after select subscriber group it shows “Security Check Failed” error message..
   we have plugin up to date. please help me this code generate error “if ( ! empty(
   $_POST ) && ! wp_verify_nonce( $_REQUEST[‘wp_create_nonce’], ‘sendmail-nonce’)){#
   die(‘<p>Security check failed.</p>’); }” file path is: “email-subscribers/sendmail/
   sendmail.php ” Please tell me how to solve it.. **i want plugin builder support**

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Plugin Author [storeapps](https://wordpress.org/support/users/storeapps/)
 * (@storeapps)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/security-check-failed-error-2/#post-8197811)
 * [@developersba](https://wordpress.org/support/users/developersba/),
 * Please read documentation before posting your queries. Your answer is already
   written here : [Email Subscribers FAQ](http://www.storeapps.org/docs/es-faq/)
   in FAQ 5.
 *  Thread Starter [developersba](https://wordpress.org/support/users/developersba/)
 * (@developersba)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/security-check-failed-error-2/#post-8200742)
 * i was follow your faq instruntions..but still mail was not sending..can u help
   me plz.
 *  Plugin Author [storeapps](https://wordpress.org/support/users/storeapps/)
 * (@storeapps)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/security-check-failed-error-2/#post-8201362)
 * [@developersba](https://wordpress.org/support/users/developersba/),
 * Increasing PHP Post Max Size has solved the issue for anybody who got the same
   error. There is no other solution for it as of now.
    How many subscribers you
   have currently? What is your PHP Post Max Size.
 *  Thread Starter [developersba](https://wordpress.org/support/users/developersba/)
 * (@developersba)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/security-check-failed-error-2/#post-8201392)
 * now mails are sending..
    all are working fine.. thank you

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘Security Check Failed Error’ is closed to new replies.

 * ![](https://ps.w.org/email-subscribers/assets/icon-256x256.png?rev=2274172)
 * [Email Subscribers & Newsletters - Email Marketing, Post Notifications & Newsletter Plugin for WordPress](https://wordpress.org/plugins/email-subscribers/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/email-subscribers/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/email-subscribers/)
 * [Active Topics](https://wordpress.org/support/plugin/email-subscribers/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/email-subscribers/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/email-subscribers/reviews/)

 * 4 replies
 * 2 participants
 * Last reply from: [developersba](https://wordpress.org/support/users/developersba/)
 * Last activity: [9 years, 9 months ago](https://wordpress.org/support/topic/security-check-failed-error-2/#post-8201392)
 * Status: resolved