It is useful to provide a mechanism to allow, at least temporarily, communications to occur without blocking between a first entity and a second entity with whom communications with the first entity are likely/anticipated and desirable, generally through use of a white-list having transactional entries. For example, to allow communications between a communications user and an intended recipient, the user may be added to global and/or personal white-lists for or until a specified transaction or duration. Thereafter, the user may be removed from the white-lists upon occurrence of an end trigger, which may include an event or expiration of a specified time. The disclosed systems and methods thus permit the transactional white-listing of users for a limited time necessary to ensure the intended recipient receives the anticipated communications. Thereby, the systems and methods guard against the anticipated communications being accidentally blocked as spam by other communications filters.

 
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> Approach for managing communications channels based on performance and transferring functions between participants in a communications arrangement

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