fix(submission): 调整 SMTP 提交与发件授权逻辑。
- 启用 SMTP submission 时改为强制使用可读证书文件,并禁止使用容器自带测试证书。 - 收紧发件人校验,拒绝未授权的 From 地址,并支持别名多目标授权。 - 优化发送队列重入与重复消息处理,避免重复记录冲突。 - 让提交证书按需热加载,并稳定 MIME 头序列化顺序。 - 更新部署示例与文档,明确 submission 的证书配置要求。
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@@ -416,6 +416,10 @@ func (a *App) handleMailSend(w http.ResponseWriter, r *http.Request) {
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respondError(w, http.StatusTooManyRequests, err.Error())
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return
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}
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if errors.Is(err, errSenderNotAuthorized) {
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respondError(w, http.StatusForbidden, err.Error())
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return
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}
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respondError(w, http.StatusInternalServerError, err.Error())
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return
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}
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@@ -426,6 +430,7 @@ var errNoRecipients = errors.New("at least one recipient is required")
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var errInvalidMIME = errors.New("invalid mime message")
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var errAttachmentTooLarge = errors.New("attachment size exceeds permission limit")
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var errSMTPRateLimited = errors.New("smtp send rate limit exceeded")
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var errSenderNotAuthorized = errors.New("sender address is not authorized")
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func (a *App) sendMailNow(ctx context.Context, user *User, mb *Mailbox, req mailComposeInput) (*MailMessage, error) {
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if err := validateAttachmentLimit(req.Attachments, userLimits(user)); err != nil {
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