The use of e-mail is very widespread, and it is currently impossible to unify it into any kind of structure.
电子邮件的使用分布非常广泛，目前不可能将其统一为任何一种结构。
By creating a set fingerprint for the basic structure of the E-mail, you can identify it as spam.
通过为电子邮件的基本结构创建一组指纹，您可以将其识别为垃圾邮件。
Yes, this does oversimplify an E-mail address structure and probably would reject certain valid E-mail addresses, but as an example it's sufficient.
是的，这过于简化了电子邮件地址的结构，可能会排除某些有效的电子邮件地址，但它作为示例已经足够了。
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