email - 电子邮件地址的名称部分中的单引号合法吗？

Question

例如:

jon.o'conner@example.com ?

Answer 1

是，根据 RFC 5322，jon.o'conner@example.com 是有效的电子邮件地址。

来自 Email address article at wikipedia (Syntax section) :

The local-part of the email address may use any of these ASCII characters:

• Uppercase and lowercase English letters (a–z, A–Z)
• Digits 0 to 9
• Characters ! # $ % & ' * + - / = ? ^ _ ` { | } ~
• Character . (dot, period, full stop) provided that it is not the first or last character, and provided also that it does not appear two or more times consecutively (e.g. John..Doe@example.com).

(该语法在 RFC 5322 section 3.4.1 和 RFC 5321 中正式定义。)