Mail processing model
Blue arrows can be implemented using SMTP variations.
Email is submitted by a mail client (MUA, mail user agent) to a mail server (MSA, mail submission agent) using
## 实现JavaMail文档的步骤
### 流程图
```mermaid
flowchart TD
A[开始] --> B[创建Session]
B --> C[创建Message]
C --> D[设置发件人]
D --> E[设置收件人]
E --> F[设置主题]
F --> G[设置内容]
G --> H[发送邮件]
An Overview on the SimpleMail Transfer Protocol (SMTP) Service
The SimpleMail Transfer Protocol (SMTP) service, a primary service included as part of IIS, performs the key functions, and has the ch
