问题最近想使用docker搭建smtp服务玩玩，服务拉起来了但发不出邮件。例如发邮件给自己的126.com的邮箱，日志一直刷屏:
1234SMTP | 285 Connecting to 126mx02.mxmail.netease.com [220.181.15.151]:25 ... failed: Connection timed out (timeout=5m)SMTP | 285 LOG: MAINSMTP | 285 H=126mx02.mxmail.netease.com [220.181.15.151] Connection timed ...
