Skip to main content
NetApp Knowledge Base

AutoSupport SMTP fails to send intermittently due to exceeding SMTP message size limit

  1. Last updated
  2. Save as PDF
Views:
1,373
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
CORE
Last Updated:

Applies to

  • ONTAP 9
  • AutoSupport (ASUP)
  • SMTP

Issue

  • Unable to send ASUP that are WEEKLY  and type all using the system node autosupport invoke command.
  • Smaller ASUPs (type: test) are sent successfully and delivered via SMTP
  • SMTP transmission of the Weekly ASUP fails
Error: transmission-failed
EMS logs

[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.

  • SMTP configuration on the Cluster is correct:
::> system node autosupport check show-details
Node: cluster01-n01
 
Category: http-https
Component: http-put-destination
Status: ok
Detail: Successfully connected to:
https://support.netapp.com/put/AsupPut/.
 
Component: http-post-destination
Status: ok
Detail: Successfully connected to:
https://support.netapp.com/asupprod/post/1.0/postAsup.
 
Category: smtp
Component: mail-server
Status: ok
Detail: Successfully connected to: mailhost.domain.com
 
Notifyd.log:
  • SMTP server rejects the message due to its size
Response: 550 5.7.0 Message Size Violation\r\n
Response code: Requested action not taken: mailbox unavailable (550)
Response parameter: 5.7.0 Message Size Violation
[kern_notifyd:info:1913] (category: XXXX:XXX:deliver) (emittime: X/XX/2024 XX:XX:XX) (message: 552 4.3.1 Message size exceeds fixed maximum message size)
  • HTTPS transmission for all ASUP types is successful

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.