feat: psap support ticket notification

lib/email/email.go

@@ -0,0 +1,19 @@
+package email
+
+import "net/smtp"
+
+// 简单邮件发送函数
+func SendEmail(to, subject, body string) error {
+	from := "your@email.com"
+	password := "your_password"
+	smtpHost := "smtp.yourserver.com"
+	smtpPort := "587"
+
+	msg := "From: " + from + "\n" +
+		"To: " + to + "\n" +
+		"Subject: " + subject + "\n\n" +
+		body
+
+	auth := smtp.PlainAuth("", from, password, smtpHost)
+	return smtp.SendMail(smtpHost+":"+smtpPort, auth, from, []string{to}, []byte(msg))
+}