golang中怎么利用smtp发送电子邮件,很多新手对此不是很清楚,为了帮助大家解决这个难题,下面小编将为大家详细讲解,有这方面需求的人可以来学习下,希望你能有所收获。
代码如下:
package main
import (
"fmt"
"net/mail"
"net/smtp"
"encoding/base64"
)
func main() {
b64 := base64.NewEncoding("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/")
host := "smtp.mail.com"
email := "mail1@mail.com"
password := "password"
toEmail := "mail2@mail.com"
from := mail.Address{"发送人", email}
to := mail.Address{"接收人", toEmail}
header := make(map[string]string)
header["From"] = from.String()
header["To"] = to.String()
header["Subject"] = fmt.Sprintf("=?UTF-8?B?%s?=", b64.EncodeToString([]byte("邮件标题2")))
header["MIME-Version"] = "1.0"
header["Content-Type"] = "text/html; charset=UTF-8"
header["Content-Transfer-Encoding"] = "base64"
body := "我是一封电子邮件!golang发出.";
message := ""
for k, v := range header {
message += fmt.Sprintf("%s: %s\r\n", k, v)
}
message += "\r\n" + b64.EncodeToString([]byte(body))
auth := smtp.PlainAuth(
"",
email,
password,
host,
)
err := smtp.SendMail(
host+":25",
auth,
email,
[]string{to.Address},
[]byte(message),
)
if err != nil {
panic(err)
}
}
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