英文:
Include email header in app engine using go?
问题
谷歌应用引擎文档没有描述如何包含电子邮件头部信息，你要如何做到这一点，即如何更改这个部分？
msg := &mail.Message{
Sender: "Example.com Support support@example.com",
To: []string{"email@bob.com"},
Subject: "Confirm your registration",
Body: fmt.Sprintf(confirmMessage, url),
}
if err := mail.Send(c, msg); err != nil {
c.Errorf("Couldn't send email: %v", err)
}
英文:
The google app engine documentation doesn't describe how to include an email header, how do you do it, i.e. How do you change this?
msg := &mail.Message{
Sender: "Example.com Support <support@example.com>",
To: []string{"email@bob.com"},
Subject: "Confirm your registration",
Body: fmt.Sprintf(confirmMessage, url),
}
if err := mail.Send(c, msg); err != nil {
c.Errorf("Couldn't send email: %v", err)
}
答案1
得分: 1
在**appengine/mail参考文档**中，你可以找到类型Message有一个名为Headers的字段：
// 额外的邮件头。
// 请参阅 https://developers.google.com/appengine/docs/go/mail/overview
// 了解可接受的头部。
Headers mail.Header
类型mail.Header可以在**net/mail**包中找到，只能使用以下头部名称，如上述概述链接中所述：
- In-Reply-To
- List-Id
- List-Unsubscribe
- On-Behalf-Of
- References
- Resent-Date
- Resent-From
- Resent-To
示例：（未经测试）
import netmail "net/mail" // mail已被appengine/mail占用
...
msg := &mail.Message{
Sender: "Example.com Support <support@example.com>",
To: []string{"email@bob.com"},
Subject: "Confirm your registration",
Body: fmt.Sprintf(confirmMessage, url),
Headers: netmail.Header{"In-Reply-To": []string{"123456789"}},
}
英文:
In the appengine/mail reference you can find that type Message has a field called Headers:
// Extra mail headers.
// See https://developers.google.com/appengine/docs/go/mail/overview
// for permissible headers.
Headers mail.Header
The type mail.Header can be found in the net/mail package, and only the following header names may be used, as described in the above overview link:
- In-Reply-To
- List-Id
- List-Unsubscribe
- On-Behalf-Of
- References
- Resent-Date
- Resent-From
- Resent-To
Example: (untested)
import netmail "net/mail" // mail is already taken by appengine/mail
...
msg := &mail.Message{
Sender: "Example.com Support <support@example.com>",
To: []string{"email@bob.com"},
Subject: "Confirm your registration",
Body: fmt.Sprintf(confirmMessage, url),
Headers: netmail.Header{"In-Reply-To": []string{"123456789"}},
}
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