电子邮件验证
SMTP (Simple Mail Transfer Protocol)SMTP
定义
The standard internet protocol for transmitting email between mail servers and from clients to servers; plaintext by default, it is secured with STARTTLS or SMTPS.
电子邮件验证
The standard internet protocol for transmitting email between mail servers and from clients to servers; plaintext by default, it is secured with STARTTLS or SMTPS.