DeliverabilityPRODUCTION

_Bounce

Bounce events and SMTP diagnostic information for email sends.

Retention: Most recent 180 daysTime: CST; DST not observed
Context Pack →Open Workspace →
Trust & provenancePRODUCTION
Evidence tierPRODUCTIONOfficial sources1Other sources0Last verifiedNot recorded

Evidence tier describes my hands-on relationship with the content. Official sources describe platform contracts/documentation. Production observations should not automatically be treated as official limits.

Starter query

Start from something valid.

SELECT
    bo.SubscriberKey,
    bo.JobID,
    bo.EventDate,
    bo.BounceCategory,
    bo.BounceType,
    bo.SMTPCode,
    bo.SMTPBounceReason
FROM _Bounce bo
Relationships

Where it connects.

Schema

Fields

FieldTypeFlagsNotes
AccountIDNumberAccount identifier.
OYBAccountIDNumberNULLABLEOYB account identifier.
JobIDNumberSend job identifier.
ListIDNumberList identifier.
BatchIDNumberBatch identifier.
SubscriberIDNumberSubscriber ID.
SubscriberKeyText(254)Subscriber key.
EventDateDateBounce event date/time.
IsUniqueBooleanUnique/repeated event flag.
DomainText(128)Domain associated with the bounce.
BounceCategoryIDNumberBounce category identifier.
BounceCategoryText(50)NULLABLEBounce category label.
BounceSubcategoryIDNumberNULLABLEBounce subcategory identifier.
BounceSubcategoryText(50)NULLABLEBounce subcategory label.
BounceTypeIDNumberBounce type identifier.
BounceTypeText(50)NULLABLEBounce type label.
SMTPBounceReasonText(max)NULLABLEBounce reason from the receiving mail system.
SMTPMessageText(max)NULLABLESMTP message from the receiving system.
SMTPCodeNumberNULLABLESMTP error code.
TriggererSendDefinitionObjectIDText(36)NULLABLETriggered Send definition object identifier.
TriggeredSendCustomerKeyText(36)NULLABLETriggered Send customer key.
IsFalseBounceBooleanNULLABLEIndicates whether the event was classified as a false bounce.
Operational notes

Long SMTP reason/message values can exceed target DE field sizes; constrain them explicitly when necessary.

Verified sources