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We are utilizing the Plesk Blacklist email feature but find that the blacklist applies to only the Return-Path: header if specified and not the From: or Sender: fields.
Most customers do not inspect headers and enter only the From: address as the blacklist value. As a result, the customer continues to receive spam from the same address but coming from different Return-Paths.
Can you verify that the blacklist is ONLY supposed to check the Return-Path field when rejecting email? Or should it also be checking the other available fields?
Thanks in advance.
We are utilizing the Plesk Blacklist email feature but find that the blacklist applies to only the Return-Path: header if specified and not the From: or Sender: fields.
Most customers do not inspect headers and enter only the From: address as the blacklist value. As a result, the customer continues to receive spam from the same address but coming from different Return-Paths.
Can you verify that the blacklist is ONLY supposed to check the Return-Path field when rejecting email? Or should it also be checking the other available fields?
Thanks in advance.
