Unverified50% confidenceFactExact time
Email service providers and anti-spam organizations (such as Spamhaus) maintain a reputation score for each sending IP, based on factors including complaint rate, spam trap hit rate and sudden changes in sending volume.
1
Sources
50%
Confidence
Long-term
Relevance
10/26/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedMainstream mailbox providers treat sending volume ramp-up as a trust signal; a brand-new sending identity jumping straight to a high volume is highly consistent with spam senders.71% similarVerifiedProfessional email sending practices include using mailbox warm-up tools to build domain reputation, configuring SPF/DKIM/DMARC domain authentication records, and controlling daily sending volume and sending intervals.69% similarUnverifiedSpamhaus、Barracuda、SORBS等第三方黑名单组织持续监控每个IP地址的发送行为并汇总为信誉评分68% similarUnverifiedJob seekers who use a professional domain-based email address often receive higher initial trust scores.68% similarUnverifiedGmail and Google Workspace have built a reputation scoring system that comprehensively evaluates multiple dimensions including a domain's SPF, DKIM, and DMARC configuration, sending volume, bounce rate, and user complaint rate68% similar
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