chore: initial import 萌邮 MengPost (React+Vite + Go+Gin)

Made-with: Cursor

mengpost-backend/services/smtp.go

@@ -0,0 +1,23 @@
+package services
+
+import (
+	"gopkg.in/gomail.v2"
+
+	"mengpost-backend/models"
+)
+
+// SendMail 通过指定账户发送邮件. body 支持纯文本或 HTML.
+func SendMail(acc *models.Account, to, subject, body string, html bool) error {
+	m := gomail.NewMessage()
+	m.SetHeader("From", acc.Email)
+	m.SetHeader("To", to)
+	m.SetHeader("Subject", subject)
+	if html {
+		m.SetBody("text/html", body)
+	} else {
+		m.SetBody("text/plain", body)
+	}
+	d := gomail.NewDialer(acc.SMTPHost, acc.SMTPPort, acc.Email, acc.Password)
+	d.SSL = acc.UseTLS && acc.SMTPPort == 465
+	return d.DialAndSend(m)
+}