根据给定的电子邮件内容，确定它是垃圾邮件还是合法邮件。
电子邮件内容示例：
Subject: New product launch

Dear valued customer,
We are excited to announce the launch of our new product line. Visit our website to learn more and place your order today.

Thank you for choosing our company.
Sincerely,
The Marketing Team
这封电子邮件是一封合法邮件。