84 lines
2.2 KiB
Go
84 lines
2.2 KiB
Go
package email
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import (
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"crypto/tls"
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"fmt"
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"net/smtp"
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"strconv"
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"strings"
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"gopkg.in/gomail.v2"
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)
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type EmailConfig struct {
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Enabled bool `yaml:"enabled"` // 是否启用邮件发送
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Host string `yaml:"host"`
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Port int `yaml:"port"`
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Username string `yaml:"username"`
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Password string `yaml:"password"`
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TLSSkipVerify bool `yaml:"tlsSkipVerify"`
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From string `yaml:"from"`
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To []string `yaml:"to"`
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Subject string `yaml:"subject"`
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Body string `yaml:"body"`
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}
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// 简单邮件发送函数
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// 该函数使用标准库的 smtp 包发送邮件
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// 注意：此函数不支持 TLS 加密，建议使用 gomail 包发送邮件以支持 TLS 和其他高级功能
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// gomail 包的使用示例见 SendEmailWithGomail 函数
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func SendEmail(email EmailConfig) error {
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username := email.Username
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from := email.From
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password := email.Password
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to := strings.Join(email.To, ",") // 将多个收件人用逗号连接
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subject := email.Subject
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body := email.Body
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smtpHost := email.Host
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smtpPort := email.Port
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msg := "From: " + from + "\n" +
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"To: " + to + "\n" +
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"Subject: " + subject + "\n\n" +
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body
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auth := smtp.PlainAuth(from, username, password, smtpHost)
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return smtp.SendMail(smtpHost+":"+strconv.Itoa(smtpPort), auth, from, []string{to}, []byte(msg))
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}
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func SendEmailWithGomail(email EmailConfig) error {
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m := gomail.NewMessage()
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m.SetHeader("From", email.From)
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m.SetHeader("To", email.To...)
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m.SetHeader("Subject", email.Subject)
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m.SetBody("text/plain", email.Body)
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d := gomail.NewDialer(email.Host, email.Port, email.Username, email.Password)
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// 配置 TLS
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d.TLSConfig = &tls.Config{
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InsecureSkipVerify: email.TLSSkipVerify,
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}
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// gomail 会自动处理 STARTTLS
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if err := d.DialAndSend(m); err != nil {
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fmt.Printf("Failed to DialAndSend:%v", err)
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return err
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}
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return nil
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}
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// RemoveDuplicateEmails 去除重复的邮箱地址
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func RemoveDuplicateEmails(emails []string) []string {
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emailMap := make(map[string]struct{})
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var uniqueEmails []string
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for _, email := range emails {
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if _, exists := emailMap[email]; !exists {
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emailMap[email] = struct{}{}
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uniqueEmails = append(uniqueEmails, email)
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}
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}
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return uniqueEmails
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}
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