OL98: ErrMsg "Non-Secure Recipients ..."
The information in this article applies to:
When you attempt to send an encrypted e-mail message in Microsoft
Outlook 98, you may receive the following "Non-Secure Recipients"
None of the recipients can process
an encrypted message. You can either proceed with an unencrypted
message or cancel the operation.
You are attempting to send an encrypted message to a recipient
for whom you do not have a Digital ID.
You chose the recipient's e-mail address from the Global Address
List (GAL) or another address source that did not insert the Digital
You must use a Contact record that contains the recipient's Digital
ID to address the message.
To send an encrypted message with Outlook, you must include the
recipient's Digital ID. This information is necessary in the algorithm
used to encrypt and decrypt the message.
To obtain the Digital ID for an intended recipient, have them
send you a "signed" e-mail message. When you receive
the message, right-click the From field and click, Add To Contacts
on the shortcut menu. This will add the sender to your Contacts
list along with their Digital ID. If the sender is already in
your Contacts list, it will update the existing record with the
To send an encrypted message, address the message by choosing
the address from the contact record. This will include the necessary
Digital ID with the message.
For more information on Digital IDs and encrypting e-mail messages,
please see the following article in the Microsoft Knowledge Base:
Q216075 OL98: Error Replying to
an Encrypted Message
Q182356 OL98: Encryption and Message Security Overview