Applies to ONTAP 9 Autosupport SMTP Issue Autosupport sending to NetApp by SMTP protocol is refused unexpectedly. The e-mail of following title is received. "NetApp AutoSupport Notification - Not Rece...Applies to ONTAP 9 Autosupport SMTP Issue Autosupport sending to NetApp by SMTP protocol is refused unexpectedly. The e-mail of following title is received. "NetApp AutoSupport Notification - Not Receiving AutoSupport from your systems This is an auto-generated email. Please DO NOT reply."