chore(deploy): 配置已发送邮件自动归档

- 为 `submission` 和 `smtps` 启用 `sender_bcc_maps`，将已认证发件人自动抄送到 `发件人+Sent@域名`。 - 补充 Postfix 与 Dovecot 的 `recipient_delimiter` 和 `lmtp_save_to_detail_mailbox` 配置，确保 `Sent` 文件夹可落盘保存。 - 更新部署文档，说明第三方客户端发信后的“已发送”同步流程。
2026-06-17 00:19:40 +08:00
parent 2029c8804a
commit c21ebe43aa
5 changed files with 8 additions and 0 deletions
@@ -4,6 +4,7 @@ myorigin = $myhostname
 mydestination = localhost
 inet_interfaces = all
 inet_protocols = all
+recipient_delimiter = +

 # SQLite maps read the same LanQin DB created by the Go API.
 virtual_mailbox_domains = sqlite:/etc/postfix/sqlite-domains.cf