The opposite of a black list of course!
Basically the ISP / email provider puts BYC on a "safe sender" list so the emails aren't spam blocked.
BTW, are you using a web interface / client for your emails or are you using Outlook? If Outlook, is it Outlook that is sending the emails to the spam folder?
Basically the ISP / email provider puts BYC on a "safe sender" list so the emails aren't spam blocked.
BTW, are you using a web interface / client for your emails or are you using Outlook? If Outlook, is it Outlook that is sending the emails to the spam folder?