AutoSupport for ONTAP 9 over SMTP 错误消息： 421.3.2 服务不可用

ONTAP 中的错误：

• 查看 AutoSupport 历史记录：

::>system autosupport history show -node <node_name>  -fields node,seq-num,status,error,destination

- 或 -

• 检查特定序列

::> system autosupport history show -seq-num 270 -instance

Node: Node-01 AutoSupport
Sequence Number: 270
Destination for This AutoSupport: smtp
Trigger Event: callhome.invoke
Time of Last Update: 12/24/2015 00:42:51
Status of Delivery: transmission-failed
Delivery Attempts: 15
AutoSupport Subject: USER_TRIGGERED (TEST:Testing from NODE1)
Delivery URI: mailto:admins@example.com
Last Error: weird server reply

Notifyd 中的错误：

• 如何查看 notifyd ． log ：

::> node run -node (node name) -command rdfile /etc/log/mlog/notifyd.log

(category: 1620:538:deliver) (emittime: 12/24/2020 00:42:51) (message:   Trying 10.0.0.1:25...)
(category: 1620:538:deliver) (emittime: 12/24/2020 00:42:51) (message: Connected to exchange.com (10.0.0.1) port 25 (#0))
(category: 1620:538:deliver) (emittime: 12/24/2020 00:42:51) (message: Marked for [keep alive]: SMTP default)
(category: 1620:538:deliver) (emittime: 12/24/2020 00:42:51) (message: SMTP 0x809c4ff state change from STOP to SERVERGREET)
(category: 1620:538:deliver) (emittime: 12/24/2020 00:42:51) (message: 421 4.3.2 Service not available)
(category: 1620:538:deliver) (emittime: 12/24/2020 00:42:51) (message: Got unexpected smtp-server response: 421)
(category: 1620:538:deliver) (emittime: 12/24/2020 00:42:51) (message: multi_done)
(category: 1620:538:deliver) (emittime: 12/24/2020 00:42:51) (message: Marked for [closure]: SMTP done with bad status)
(category: 1620:538:deliver) (emittime: 12/24/2020 00:42:51) (message: Closing connection 0)
(category: 1620:538:deliver) (emittime: 12/24/2020 00:42:51) (message: Failed to transmit smtp asup 538,curl error: Weird server reply)