Why you get email that isn’t addressed to you为什么你的电子邮件，是不给你

Have you ever received an email message that appears to be addressed to someone else?你有没有收到一封电子邮件讯息，似乎是给别人？ Chances are very good that it wasn’t by mistake.机遇是非常好的，这是不是错误的。 Spammers often use the Bcc: (blind carbon copy) function of email when sending spam.垃圾邮件发送者往往使用密件副本： （密件副本）功能的电子邮件时，垃圾邮件发送者。

The screenshot below provides an example of an email using the Bcc: field.下面的截图提供了一个范例的电子邮件使用密件副本：外地。

All three of those email addresses will receive the email, but it will appear as though the message was sent to just the addresses in the To: field.这三个电子邮件地址将收到电子邮件，但它会出现好像讯息是传送给的地址只是在为：外地 。

Except when it is mis-used by spammers, the Bcc: field actually helps to avoid spam.除非它是错用垃圾邮件的密件副本：外地实际上有助于避免垃圾邮件。 When sending a message to many people, it is considered good email etiquette to use Bcc:.当发送邮件给许多人，它被认为是良好的礼仪电子邮件使用密件副本： 。 This way when email is sent to many people, no one person will know other recipients’ email addresses.这样，当电子邮件被发送到很多人，没有一个人会知道其他收件人的电子邮件地址。 If the email falls into the hands of a spammer, the spammer will not be able to “harvest” all of the addresses.如果电子邮件落入手中的垃圾邮件发送者的垃圾邮件发送者将不能够“收获”的所有地址。