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title: "CTP Topic 36 SendGrid as an email service"
type: source
tags:
- SendGrid
- Email Service
- CTP
- Cloud Transformation
date: 2026-04-14
---
## Source File
- [[raw/Cloud & DevOps/Public-Cloud-Learning-Sessions/08_Networking/ctp-topic-36-sendgrid-as-an-email-service.md]]
## Summary
- 核心主题SendGrid 被采用为云转换计划的标准化邮件服务
- 问题域:替换不安全的语义网关和受限制的 SES 方案
- 方法/机制:直接发送(需 TLS或通过中继服务器发送架构
- 结论价值SendGrid 提供 1000 收件人/邮件限制、实时监控、双因素认证、端到端加密
## Key Claims
- SendGrid 已被采用为经典和新 landing zones 的标准邮件服务
- 当前语义网关存在安全问题:通过 port 25 中继到公网,且托管在即将停用的本地网络
- 当前 SES 限制为每邮件仅 50 个收件人
- SendGrid 支持每邮件最多 1000 个收件人
- 支持计划涵盖每月 500 万封邮件
- 日志保留 7 天API 密钥每 180 天轮换
## Key Concepts
- [[SendGrid]]Twilio 旗下的企业级邮件服务,被 CTP 采用为标准
- [[Cyber-Suite]]PSAC 更新发布的网络安全标准文档
## Connections
- [[CTP-Topic-35]] ← depends_on ← SendGrid 部署
- [[CTP-Topic-7]] ← extends ← Landing Zone 邮件架构
- [[CTP-Topic-46]] ← similar ← 企业服务标准化
## Key Quotes
> "SendGrid is being adopted as the standard email service for both classic and new landing zones"
> "Almost 30 billion emails per month customers are already used across the whole country"
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*摄取时间2026-04-19*