Unverified50% confidenceFactExact time

退信分为硬退信（地址不存在，需永久移除）和软退信（临时性问题如收件箱已满）两类，处理逻辑不同

1

Sources

50%

Confidence

Long-term

Relevance

7/17/2026

First Seen

Sources

SendLang: Rethinking Email Automation with a Domain-Specific Language

Related Claims

Unverified邮箱别名地址是长期有效且与真实用户强绑定的，而临时邮箱是无主的、短暂的公共地址，两者本质不同65% similar UnverifiedCompared to temporary email services, unlimited email solutions implemented via custom domains will not be flagged by platforms as temporary mailboxes.59% similar Unverified发送结果分为送达、暂存、拒绝三种状态，其中暂存和拒绝都不会唤醒接收窗口59% similar

Cite This Claim

Stable URI

https://kongchang.com/claim/542425

API

curl https://kongchang.com/api/v1/knowledge/claims/542425

MCP

get_claim(id=542425)