Unverified50% confidenceFactExact time
2024 年 Google 和 Yahoo 更新批量邮件发送要求，强制要求 DKIM 签名、SPF 记录和 DMARC 策略齐备，并要求投诉率控制在 0.1% 以下
1
Sources
50%
Confidence
Long-term
Relevance
7/17/2026
First Seen
Sources
Related Claims
UnverifiedGmail implemented new sender guidelines in February 2024, requiring senders who send more than 5,000 emails per day to Gmail users to simultaneously configure SPF, DKIM, and DMARC, with a spam complaint rate not exceeding 0.3%.77% similarUnverified新规要求批量发件人将投诉率控制在 0.1% 以下，超标将导致发件域被降权甚至封禁67% similarUnverifiedProfessional 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.66% similarUnverifiedGoogle提供Postmaster Tools工具查看域名在Gmail系统中的送达数据，但仅在每日向Gmail发送数百封以上邮件时才显示有意义的数据63% similarUnverifiedDMARC is an email authentication protocol built on top of SPF and DKIM that allows domain owners to tell receiving parties how to handle emails that fail authentication.62% similar
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