FAQ
Adding a sender to the white list
The white list, also referred toas the “positive list”, is a list of senders who are considered trustworthy and they are not filtered out by the recipient’s spam filter. In this way, it is possible to avoid incorrectly classifying the sender’s email as spam or deleting it automatically.
As maintenance of this list can vary from email provider to provider, we have provided you with guides to the biggest email providers below.
Gmail
Step 1
Enter the email address rechnung@tbs-online.de in your search window and click on the icon on the far right.