Error related to digitally signed message and no certificates
I get an error like “you are about to save a digitally signed email message in a format that is not secure” It offers to Send and upon selecting yes, the error is “Outlook cannot send or encrypt message because there are no certificates.”
The digital signature and invalid certificate messages are likely because of your preset rules in your Outlook setup that try to digitally sign or encrypt the message. If you are using the Encyro Outlook Addin, then no such certificates are needed (those certificates are needed if you use Outlook’s built in encryption methods).
In Outlook, please check the following settings:
- On the File tab, click Options > Trust Center. (“Options” is in the left pane, towards lower area)
- Under Microsoft Outlook Trust Center, click the Trust Center Settings button.
- On the Email Security tab, under Encrypted Mail, UNSELECT the Add digital signature to outgoing messages check box.
- UNSELECT the Encrypt contents and attachments for outgoing messages checkbox.
- Ensure that all 4 checkboxes in the “Encrypted email” section of the Email Security tab are unselected.
- Click OK and again OK to close the dialog windows.
After the above changes, try sending again using the Encyro Outlook Addin (Secure Send button).
Related articles
-
Encyro Outlook Add-in Disappeared
The Encyro Oulook Add-in is no longer visible. The Send-Secure button is not visible. Addin no longer working. There are two possibilities: Cause 1 Do you ...
-
Outlook Addin Repeatedly Disappears or is Disabled by Outlook
Outlook sometimes disables add-ins that it believes are slowing down Outlook during startup. (You may not actually have noticed any actual improvement in O...
-
Can I Add G-Suite Email Accounts
G-Suite email accounts may be added to Outlook either as IMAP accounts or using G-Suite SyncTM for Microsoft Outlook (GSSMO). The Encyro Outlook Addin work...
-
I was inserting attachments and the Secure Send button disappeared
The Send Secure button is on the Message tab of the Outlook ribbon when composing a message in a new window. In case you switched to the Insert tab, switch...
-
Received message is not decrypted but shown as record of sent notification
Can I use alias email addresses in Outlook? Possibility 1: If you are looking at an email notification saved to your sent mail (or similar) folder related ...
-
The top message does not automatically decrypt
The newest received message in my Outlook inbox was not decrypted by the Encyro Outlook Addin, why? If the newest message in the inbox is a received secure...
-
Installation error: certificate or location is not trusted
When trying to install the Encyro Outlook Addin, I get an error that starts: Customized functionality in this application will not work because the certif...
-
Installation error: binding data is invalid
When trying to install the Encyro Outlook Addin, I get an error like: Microsoft Office Customization There was an error during installation The application...
-
Installation error: An error occurred trying to download
You get an error similar to the following: URLDownloadToCacheFile failed with HRESULT '-2146697208' Error: An error occurred trying to download 'https://ap...
-
Install from local file
The installer provided on the website at https://apps.encyro.com/ is the recommended installer because it automatically installs the correct version (64 bi...