Unverified60% confidenceCautionExact time
Sending emails in bulk automatically can easily trigger email service providers' anti-spam mechanisms, potentially resulting in the domain being blacklisted.
2
Sources
60%
Confidence
Long-term
Relevance
7/12/2026
First Seen
Sources
Related Claims
Unverified从域名检测角度看，邮箱别名服务与临时邮箱都表现为非主流域名加转发架构，黑名单机制很难从技术层面区分两者81% similarUnverifiedIf cold outreach shares a domain with transactional email, once the outreach is complained about, spam complaints will pollute the domain's overall reputation, causing critical emails such as password resets and notifications to also be demoted or land in the spam folder.78% similarUnverifiedWhen all Agents share the same domain, a single runaway script sending abusive emails can cause the entire domain to be blacklisted by mainstream providers such as Gmail and Outlook within a matter of hours.78% similarUnverifiedAfter 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 spam77% similarUnverifiedSending cold emails through the shared IP pool of a general-purpose transactional email provider means that other senders in the same IP pool being flagged as spam will drag down the sender's deliverability.73% similar
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