Question
When Training emails were delivered from Tadrill, the following banner was displayed in Exchange Online.
Is there a workaround to prevent this banner from being displayed?
Some content in this message has been blocked because the sender isn't in your Safe Senders list.Answer
When delivering Training emails, Tadrill embeds an invisible image file in the Body of the Training emails to provide a Summary of Email opened events. When this image file is blocked by the email client, this banner is displayed, and Tadrill cannot Track Email Open Events for Training emails.
Currently, there are the following two workarounds to prevent this banner from being displayed.
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Have an admin bulk-register Tadrill's Sender address in the Safe Senders List for all users' mailboxes.
For the Settings Procedure, refer to the following article.
[Tadrill] Exchange Online Content Block Bypass Settings (Microsoft 365) -
When sending Training emails, set the "Track Email Open Events" checkbox to Disabled.
For the Settings Procedure and Action details, refer to the following article.
[Tadrill] Send Training Emails
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