Unverified50% confidenceFactExact time
Folio supports saving browser-open tabs, subscribing to RSS feeds, or receiving email newsletters via a private email address provided by the app.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/3/2026
First Seen
Valid until: 12/2/2026
Sources
Related Entities
Related Claims
UnverifiedSPF验证的是信封发件人（Return-Path）而非用户可见的头部发件人字段，且在邮件转发场景下容易失效64% similarUnverified自托管邮件的常见折中方案是自建收件和存储，通过Amazon SES、Mailgun、Postmark等邮件中继服务发送邮件以确保送达率62% similarUnverifiedRFC 5321是IETF制定的SMTP标准，规定邮箱地址local-part的解释权归属于接收方邮件服务器60% similarUnverified该项目支持免费收发邮件，并能处理附件60% similarUnverifiedQuick RSS 将用户的订阅列表、阅读记录等数据本地存储，无需上传到第三方服务器59% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/847058API
curl https://kongchang.com/api/v1/knowledge/claims/847058MCP
get_claim(id=847058)