SMTP-MIB :: smtpTestMsgSubject

MIB Reference — IPNetwork Monitor · Updated September 21, 2026

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smtpTestMsgSubject

Module: SMTP-MIB

OID (symbolic): SMTP-MIB::smtpTestMsgSubject

OID (numeric): 1.3.6.1.4.1.171.12.29.1.5

Node type: OBJECT-TYPE

Type: DisplayString

Access: read-write

Description: The subject of test mail.

What is smtpTestMsgSubject?

A configurable string (up to 128 characters) holding the subject line used when the switch sends a test email via smtpSendTestMsg. Admins set this before triggering a test send so they can recognize the test message in their inbox and confirm SMTP configuration is working end to end. For example, setting smtpTestMsgSubject to "SMTP Test from Switch01" makes the resulting test email easy to spot among other mail.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.171.12.29.1.5
snmpwalk -v2c -c public <target> SMTP-MIB::smtpTestMsgSubject

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.171.12.29.1.5.1
snmpget -v2c -c public <target> SMTP-MIB::smtpTestMsgSubject.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.171.12.29.1.5.1 s <value>

Start monitoring SMTP mail relay/server, proprietary enterprise MIB, vendor unspecified (queue depth/delivery status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the SMTP-MIB::smtpTestMsgSubject OID value, configure state conditions and alerts, and monitor any SMTP mail relay/server, proprietary enterprise MIB, vendor unspecified (queue depth/delivery status) from a single console.

OID Breakdown

Upper-level ancestors (8 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.171d_linkDE1500-MIB
1.3.6.1.4.1.171.12dlink_common_mgmtDLINK-ID-REC-MIB
Numeric OIDNameModule
1.3.6.1.4.1.171.12.29swSMTPMIBSMTP-MIB
1.3.6.1.4.1.171.12.29.1swSMTPCtrlSMTP-MIB
1.3.6.1.4.1.171.12.29.1.5smtpTestMsgSubjectSMTP-MIB