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## Approved and Blocked Sender Lists

ScanMail does not classify addresses from the Approved senders list as spam (unless it detects a phishing incident), nor does it filter messages from this list as spam. ScanMail filters addresses from Blocked senders lists and always classifies them as spam with the action depending on the rule set by the administrator.

| ##### Note The Exchange administrator maintains a separate Approved and Blocked Senders list for the Exchange server. If an end-user creates an approved sender, but that sender is on the administrator's Blocked Senders list, then ScanMail detects messages from that blocked sender as spam and takes action against those messages.