Dynamic ISP-IP Score Selection for Email Delivery
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Solution Overview
Problem
Conventional email processing systems face challenges in ensuring successful email delivery due to low IP reputation or blockages by internet service providers (ISPs), leading to decreased delivery rates and increased spam categorization, which negatively impacts marketers' efforts.
Innovation Solution
An email processing apparatus that computes ISP-IP scores based on email delivery statistics and selects suitable IP addresses for each recipient, using a scoring and selection component to optimize email delivery by choosing IP addresses with higher success rates, thereby enhancing inbox delivery rates and reducing rejections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional email processing systems use a single IP address or static IP selection method, then the system structure is simple, but email delivery success rate decreases due to low IP reputation or ISP blockages
Solution Approach 1:
The patent implements dynamic IP address selection by computing real-time ISP-IP scores based on delivery statistics and dynamically selecting the most appropriate IP address for each email send operation. The system continuously updates delivery statistics and recalculates scores to adapt to changing ISP reputations and blockage patterns, transforming the static IP selection into a dynamic, data-driven process that resolves the contradiction between simplicity and delivery reliability
Solution Approach 2:
The system establishes a feedback loop where email delivery results are tracked and fed back into the scoring mechanism. Delivery statistics from each IP-ISP pair are collected, processed into ISP-IP scores, and used to inform future IP selection decisions. This feedback mechanism enables the system to learn from past performance and continuously improve delivery success rates while maintaining manageable complexity through automated score-based decision making
2Reliability
If the system selects IP addresses without considering ISP-specific reputation, then the operation process is simple, but emails are categorized as spam and delivery rates decrease
Solution Approach 1:
The patent applies local quality by computing distinct ISP-IP scores for each combination of Internet Service Provider and IP address pair. Rather than using a single global reputation metric, the system tailors the reputation assessment to each specific ISP-IP relationship, recognizing that an IP address may have different reputations with different ISPs. This localized scoring approach significantly improves inbox delivery rates by selecting the most appropriate IP for each recipient's ISP while maintaining a manageable complexity through structured score computation
3Reliability
If low-reputation IP addresses continue to be used, then the system operation is consistent, but IP reputation further degrades and delivery success decreases
Solution Approach 1:
The system uses feedback from delivery statistics to automatically adjust IP selection, preventing further reputation degradation of low-performing IP addresses. By continuously monitoring delivery success rates and updating ISP-IP scores, the system automatically shifts traffic away from deteriorating IP addresses without manual intervention, maintaining IP reputation stability while simplifying operations through automated management
Solution Approach 2:
The IP selection system performs self-service by automatically computing scores, selecting appropriate IP addresses, and updating delivery statistics without requiring manual configuration or intervention. The system autonomously manages IP reputation by learning from delivery outcomes and adjusting its behavior accordingly, reducing operational complexity while maintaining reliable delivery through adaptive IP selection
Data Source
AI summary
Systems and methods for email processing are described. Embodiments of the present disclosure identify a plurality of email recipients, wherein each of the plurality of email recipients has an email address associated with one of a plurality of internet service providers (ISPs); identify a plurality of internet protocol (IP) addresses, wherein each of the plurality of IP addresses is available for sending email from a user to the plurality of email recipients; compute an ISP-IP score for each of a plurality of ISP-IP pairs based on email delivery statistics; select an IP address from the plurality of IP addresses corresponding to each of the plurality of email recipients based on the ISP-IP score; and transmit an email to each of the plurality of email recipients from the selected IP address.