{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8521907","patent":{"patent_number":"US-8521907","title":"Communications system using hierarchical queue structure for email message delivery and related methods","assignee":null,"inventors":[],"filing_date":"2012-09-14T00:00:00.000Z","publication_date":"2013-08-27T00:00:00.000Z","cpc_codes":["H04L"],"num_claims":23,"abstract":"A communications system may include at least one destination server for hosting email message boxes, and communications devices for generating email messages each associated with a respective message box. A delivery server may have a plurality of queues and a controller. The controller may store the email messages in a first queue, and attempt to send the stored email messages to the destination server at a first sending rate. The controller may also move email messages stored in the first queue to a second queue based upon a delivery failure. Email messages may be sent from the second queue at a second sending rate less than the first sending rate. The controller may also move email messages from the second queue to the first queue having a common characteristic with a successfully delivered email message."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Communications system using hierarchical queue structure for email message delivery and related methods","description":"A communications system may include at least one destination server for hosting email message boxes, and communications devices for generating email messages each associated with a respective message ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8521907","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-8521907","citation_suggestion":"Patentable. \"Communications system using hierarchical queue structure for email message delivery and related methods\" (US-8521907). https://patentable.app/patents/US-8521907","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8521907","json":"https://patentable.app/api/llm-context/US-8521907","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:39:15.010Z"}