SMTP 550 5.7.0消息大小违规

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适用场景

ONTAP 9
AutoSupport (SMTP)

问题描述

系统在尝试发送asup时间歇性地遇到此错误

[cluster-01 asup.smtp.drop:error]: AutoSupport mail (HA Group Notification from cluster-01 (EMS mgmtgwd.vreport.nodesUnreachable) ERROR) was not sent. The system will drop the message.

Notifyd.log 显示 550 5.7.0 Message Size Violation

0000001f.015471bc 0d22eca3 Sat Oct 22 2022 00:00:10 -04:00 [kern_notifyd:info:1749] (category: 1749:13054:deliver) (emittime: 10/21/2022 23:57:31) (message: SMTP 0x8156d1bd0 state change from STOP to POSTDATA) 0000001f.015471bd 0d22eca3 Sat Oct 22 2022 00:00:10 -04:00 [kern_notifyd:info:1749] (category: 1749:13054:deliver) (emittime: 10/21/2022 23:57:31) (message: 550 5.7.0 Message Size Violation) 0000001f.015471be 0d22eca3 Sat Oct 22 2022 00:00:10 -04:00 [kern_notifyd:info:1749] (category: 1749:13054:deliver) (emittime: 10/21/2022 23:57:31) (message: SMTP 0x8156d1bd0 state change from POSTDATA to STOP)