Unverified50% confidenceFactExact time
After a domain is flagged as an email service provider, users may face additional identity verification, reduced sending quotas, disabling of certain automated features, and even a greater likelihood of emails being classified as spam
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/12/2026
First Seen
Valid until: 12/11/2026
Sources
Related Entities
Related Claims
UnverifiedUsing a custom domain mailbox allows users to freely migrate between different service providers without being locked in.79% similarUnverifiedMany online services do not enforce an email verification process during user registration, allowing users to complete registration with an email address that does not belong to them.77% similarUnverifiedSending emails in bulk automatically can easily trigger email service providers' anti-spam mechanisms, potentially resulting in the domain being blacklisted.77% similarUnverified临时邮箱服务的运作方式是服务商维护若干公开域名,用户无需注册即可生成随机地址接收邮件,邮件在数分钟到数小时后自动销毁76% similarUnverifiedMany enterprises configure noreply addresses as real but unmonitored mailboxes, causing emails replied to by users to be successfully delivered and stored.76% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/915524API
curl https://kongchang.com/api/v1/knowledge/claims/915524MCP
get_claim(id=915524)