Error with Microsoft Office Outlook

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I have issues with outlook. The following error message occurs when attempting to send an e-mail from outlook client:

Microsoft Office Outlook cannot sign this message because you have no certificates which can be used from the email.

Could somebody help me out of this problem?

Thanks in advance

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Best Answer by Arseno Marcos
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Answered By 0 points N/A #158602

Error with Microsoft Office Outlook

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Hello Michelle

The cause of this problem might be that Microsoft Outlook is trying to send signed or encrypted emails, but it does not have the required security certificate to perform this action or the certificate is expired.

If you are using Outlook 2003 then follow these steps:

  1. Open Outlook.
  2. From the Tools menu, select Options.
  3. Click the Security tab.
  4. Uncheck all of the options under Encrypted e-mail.
  5. Click OK.
  6. Close Outlook.
  7. Open Outlook again.

If you are using Outlook 2007 then follow these steps:

  1. Open Outlook.
  2. From the Tools menu, select Trust Center.
  3. Select E-mail Security (in the left menu).
  4. Uncheck all options under Encrypted e-mail.
  5. Click OK.
  6. Close Outlook.
  7. Open Outlook again.

Hope this would resolve the problem.

Best Regards

Arseno

Answered By 0 points N/A #158603

Error with Microsoft Office Outlook

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Open Outlook and click on Tools > Trust Center > Email Security > ensure both the following options are unchecked:

·         Encrypt content and attachments for outgoing messages

·         Add digital signatures to outgoing messages

Click on Tools > Trust Center > Trusted Publisher > delete the digital signature(s) if it is available in the list

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