Secure Message Attachments: A Guide to Decrypting and Managing Encrypted Email

Receiving Encrypted Email

You’ve just received an important encrypted email from a sender. To decrypt and read the message, simply open the attachment in the email. This action will launch a browser, where you’ll need to authenticate yourself.

Please note that if you see red X icons in the browser, it means that your email client is blocking images. These images are usually the logo or pictures representing the sender’s organization. Rest assured, you can choose to display or ignore the images without affecting your ability to read the message.

New to Proofpoint Encryption?

If you haven’t registered for Proofpoint Encryption before, don’t worry. You’ll be prompted to create an account and set a password on the Registration page. Once done, simply click “Continue.” From now on, you won’t be asked to register again.

Already Registered?

If you’ve already registered or have an existing account, you’ll be asked to sign in and provide your password to decrypt the message. Just click “Continue” after signing in.

Different Email Address?

In case you sign in and encounter an editable field for your username, it means that Proofpoint Encryption has found a record for you, but the email address is different. For example, if you have a record for jsmith@example.com but entered joe@example.com (your alias for jsmith), enter the different address to sign in.

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Forgot Your Password?

No worries! Just click the “Forgot Password” link. You’ll receive an email with instructions on how to reset and change your password.

Replying or Forwarding

When it comes to encrypted emails, you can only reply or forward them to the original sender or email addresses owned by WEC Energy Group. If you try to forward an encrypted email to an email address in any other external domain name, you’ll receive an error message.

Send Me a Copy

To keep a copy of a secure message in your Sent folder, you need to manually select the “Send me a copy” option when you forward or reply to the message. This way, a copy of the message will be sent to your address for your records.

Adding Attachments to Encrypted Email

If you want to attach a file to your message, simply click the “Attach a file” link. Navigate to the file you want to attach, and then click “Add.” The name of the attached file will be displayed in the dialog box. Once you’re done adding attachments, click “Upload.”

To remove an attachment from a message, use the “X” link located to the right of the attachment.

Please remember that the combined attachments should not exceed 15 MB in size.

Reading Secure Messages on a Smartphone

Unfortunately, some smartphones may encounter difficulties when downloading or modifying HTML files, which is how your secure message is sent as an attachment. If you’re unable to read the message on your smartphone, follow the instructions to forward the message to another server. From there, you’ll be able to download and read the message.

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Troubleshooting

Encountering error messages can be frustrating, but let’s examine some common issues and their meanings:

  • You authenticated successfully, but do not have permission to decrypt this message: This means that the message was not originally intended for you, or the administrator has restricted your ability to decrypt it.
  • You authenticated successfully, but the decryption key for your message has been deleted: The decryption key for this message has expired or has been deleted.
  • There was a critical error processing your request. There may be a problem with the system or your request: Proofpoint Encryption is temporarily unavailable. Please try again later.
  • The message you are trying to read is corrupted and cannot be processed. Please contact the sender of the message: The message is corrupted and cannot be decrypted. Get in touch with the sender and request them to resend it.
  • There was an error retrieving the key for your message: The key server is temporarily unavailable. Please try again later.

Other Issues

If your HTML secure message exceeds 500 KB in size, you may encounter a Large Message Warning when using Firefox 3.X or Internet Explorer browsers for replying or forwarding. This limitation does not apply to plain text messages.

If you use Outlook 2007 on Windows Vista, please avoid saving the SecureMessageAtt.htm attachment to disk and attempting to open it from there. Instead, open it directly from the email.

That’s it! You’re now equipped with the knowledge to successfully handle secure message attachments. Remember, if you have any further questions or concerns, don’t hesitate to reach out to ProgramMatek for assistance.

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