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Heartbleed Bug: Client Password Reset Mass Mail How-To


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This tutorial relates to the “Heartbleed Bug” OpenSSL Vulnerability Affecting Internet Community blog article.


It provides the steps required to send a mass email to your client base informing them about the Heartbleed Bug and providing a link for them to be able to visit your site and perform a password reset.


This tutorial assumes you are already logged in to your admin area.


  1. Begin by navigating to Clients > Mass Mail
  2. Under Email Type, select "General"
  3. Leave the selections for language and client group at their defaults
  4. If you want to only send to Active users, select just the Active status under the Client Status heading
  5. Click the "Compose Message" button to proceed to where you can compose the text of your email to send
  6. Here you can write the text you want to provide in your email. We have provided a sample email template you can use below. Feel free to use the text contained within that word-for-word, or adjust as you see fit.
  7. Don't forget to enter a subject, all other settings can be left as they are - or customized as desired
  8. Finally hit the Send Message button to begin the email sending process
  9. The WHMCS mass mail tool sends emails in batches so do not close or navigate away from the page until you see the confirmation message that email sending has completed


Sample Email Template


This is an HTML email sample and must be entered via the HTML mode of the email editor - you'll find this located at the very top-right of the rich text email editor when composing your email in WHMCS.


<div style="width: 100%; height: 100%; background-color: #efefef;">
<div style="margin: 0 auto; padding: 20px; width: 500px; background-color: #fff; border: 1px solid #ccc;">
<p>Dear {$client_first_name},</p>
<p>A significant flaw named the “Heartbleed Bug” has been discovered and poses a large security threat to the internet as a whole. The Heartbleed bug is present in the software library OpenSSL which is used by many websites to privately send data to and from an internet server.</p>
<p>We encourage you to change your password, both on our website as well as any others that you use, as many services have been affected.</p>
<p style="margin: 25px;" align="center"><a style="padding: 10px 25px; background-color: #005376; color: #fff; font-size: 16px; -moz-border-radius: 10px; -webkit-border-radius: 10px; -o-border-radius: 10px; border-radius: 10px;" href="{$whmcs_url}/pwreset.php">Reset Password</a></p>
<p>If you have any questions or concerns, please contact our support team.</p>


We hope you find this tutorial useful.

Edited by WHMCS Nate
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