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ASUP E-mail delivery fails due to incorrect source IP used to contact Mailserver

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ontap-9
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Applies to

  • ONTAP 9.3
  • AutoSupport (ASUP)
  • Transport SMP
  • 550 5.7.1 Unable to relay

Issue

  • ASUP transmission to e-mail address fails with SMTP with reason: Failed sending data to the peer
  • SMPT server returning message 550 5.7.1 Unable to relay
  • Nodes are connecting to the correct mailserver IP, however using wrong source IPs - The Node Management IP is not the IP used to contact mailserver
  • Notifyd.log shows: 

[kern_notifyd:info:1517] (category: 1517:69:deliver) (emittime: 11/24/2020 01:35:05) (message: 250-mailserver.domain Hello [y.y.y.y])

[kern_notifyd:info:1517] (category: 1517:69:deliver) (emittime: 11/24/2020 01:35:05) (message: 550 5.7.1 Unable to relay)
[kern_notifyd:info:1517] (category: 1517:69:deliver) (emittime: 11/24/2020 01:35:05) (message: RCPT failed: 550)
[kern_notifyd:info:1517] (category: 1517:69:deliver) (emittime: 11/24/2020 01:35:05) (message: Failed to transmit smtp asup 69, curl error: Failed sending data to the peer)
  • Netstat-NIA
NODE: cluster01-n01

---- Default IPSpace ----
Routing tables

Internet:
Destination        Gateway            Flags    Refs      Use    Mtu Metric      Netif Expire
default            x.x.x.254      UGS         0   190181   1500     60        e0M =>    y.y.y.y  <<< IP used for ASUP
default            x.x.x.254      UGS         0    46972   1500     60        e0M =>    x.x.x.x  <<< Actual Node mgmt LIF

 

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