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API Reference
Email Security

Investigate

Search email messages
email_security.investigate.list(InvestigateListParams**kwargs) -> SyncV4PagePaginationArray[InvestigateListResponse]
GET/accounts/{account_id}/email-security/investigate
Get message details
email_security.investigate.get(strinvestigate_id, InvestigateGetParams**kwargs) -> InvestigateGetResponse
GET/accounts/{account_id}/email-security/investigate/{investigate_id}
ModelsExpand Collapse
class InvestigateListResponse: …
id: str

Unique identifier for a message retrieved from investigation

Deprecatedaction_log: List[ActionLog]

Deprecated, use GET /investigate/{investigate_id}/action_log instead. End of life: November 1, 2026.

completed_at: datetime

Timestamp when action completed

formatdate-time
operation: Literal["MOVE", "RELEASE", "RECLASSIFY", 3 more]

Type of action performed

One of the following:
"MOVE"
"RELEASE"
"RECLASSIFY"
"SUBMISSION"
"QUARANTINE_RELEASE"
"PREVIEW"
Deprecatedcompleted_timestamp: Optional[str]

Deprecated, use completed_at instead. End of life: November 1, 2026.

properties: Optional[ActionLogProperties]

Additional properties for the action

folder: Optional[str]

Target folder for move operations

requested_by: Optional[str]

User who requested the action

status: Optional[str]

Status of the action

client_recipients: List[str]
detection_reasons: List[str]
is_phish_submission: bool
is_quarantined: bool
postfix_id: str

The identifier of the message

properties: Properties

Message processing properties

allowlisted_pattern: Optional[str]

Pattern that allowlisted this message

allowlisted_pattern_type: Optional[Literal["quarantine_release", "acceptable_sender", "allowed_sender", 5 more]]

Type of allowlist pattern

One of the following:
"quarantine_release"
"acceptable_sender"
"allowed_sender"
"allowed_recipient"
"domain_similarity"
"domain_recency"
"managed_acceptable_sender"
"outbound_ndr"
blocklisted_message: Optional[bool]

Whether message was blocklisted

blocklisted_pattern: Optional[str]

Pattern that blocklisted this message

whitelisted_pattern_type: Optional[Literal["quarantine_release", "acceptable_sender", "allowed_sender", 5 more]]

Legacy field for allowlist pattern type

One of the following:
"quarantine_release"
"acceptable_sender"
"allowed_sender"
"allowed_recipient"
"domain_similarity"
"domain_recency"
"managed_acceptable_sender"
"outbound_ndr"
Deprecatedts: str

Deprecated, use scanned_at instead. End of life: November 1, 2026.

alert_id: Optional[str]
delivery_mode: Optional[Literal["DIRECT", "BCC", "JOURNAL", 8 more]]
One of the following:
"DIRECT"
"BCC"
"JOURNAL"
"REVIEW_SUBMISSION"
"DMARC_UNVERIFIED"
"DMARC_FAILURE_REPORT"
"DMARC_AGGREGATE_REPORT"
"THREAT_INTEL_SUBMISSION"
"SIMULATION_SUBMISSION"
"API"
"RETRO_SCAN"
delivery_status: Optional[List[Literal["delivered", "moved", "quarantined", 4 more]]]
One of the following:
"delivered"
"moved"
"quarantined"
"rejected"
"deferred"
"bounced"
"queued"
edf_hash: Optional[str]
envelope_from: Optional[str]
envelope_to: Optional[List[str]]
final_disposition: Optional[Literal["MALICIOUS", "MALICIOUS-BEC", "SUSPICIOUS", 7 more]]
One of the following:
"MALICIOUS"
"MALICIOUS-BEC"
"SUSPICIOUS"
"SPOOF"
"SPAM"
"BULK"
"ENCRYPTED"
"EXTERNAL"
"UNKNOWN"
"NONE"
Deprecatedfindings: Optional[List[Finding]]

Deprecated, use the findings field from GET /investigate/{investigate_id}/detections instead. End of life: November 1, 2026. Detection findings for this message.

attachment: Optional[str]
detail: Optional[str]
detection: Optional[Literal["MALICIOUS", "MALICIOUS-BEC", "SUSPICIOUS", 7 more]]
One of the following:
"MALICIOUS"
"MALICIOUS-BEC"
"SUSPICIOUS"
"SPOOF"
"SPAM"
"BULK"
"ENCRYPTED"
"EXTERNAL"
"UNKNOWN"
"NONE"
field: Optional[str]
name: Optional[str]
portion: Optional[str]
reason: Optional[str]
score: Optional[float]
formatdouble
value: Optional[str]
from_: Optional[str]
from_name: Optional[str]
htmltext_structure_hash: Optional[str]
message_id: Optional[str]
post_delivery_operations: Optional[List[Literal["PREVIEW", "QUARANTINE_RELEASE", "SUBMISSION", "MOVE"]]]

Post-delivery operations performed on this message

One of the following:
"PREVIEW"
"QUARANTINE_RELEASE"
"SUBMISSION"
"MOVE"
postfix_id_outbound: Optional[str]
replyto: Optional[str]
scanned_at: Optional[datetime]

When the message was scanned (UTC)

formatdate-time
sent_at: Optional[datetime]

When the message was sent (UTC)

formatdate-time
sent_date: Optional[str]
subject: Optional[str]
threat_categories: Optional[List[str]]
to: Optional[List[str]]
to_name: Optional[List[str]]
validation: Optional[Validation]
comment: Optional[str]
dkim: Optional[Literal["pass", "neutral", "fail", 2 more]]
One of the following:
"pass"
"neutral"
"fail"
"error"
"none"
dmarc: Optional[Literal["pass", "neutral", "fail", 2 more]]
One of the following:
"pass"
"neutral"
"fail"
"error"
"none"
spf: Optional[Literal["pass", "neutral", "fail", 2 more]]
One of the following:
"pass"
"neutral"
"fail"
"error"
"none"
class InvestigateGetResponse: …
id: str

Unique identifier for a message retrieved from investigation

Deprecatedaction_log: List[ActionLog]

Deprecated, use GET /investigate/{investigate_id}/action_log instead. End of life: November 1, 2026.

completed_at: datetime

Timestamp when action completed

formatdate-time
operation: Literal["MOVE", "RELEASE", "RECLASSIFY", 3 more]

Type of action performed

One of the following:
"MOVE"
"RELEASE"
"RECLASSIFY"
"SUBMISSION"
"QUARANTINE_RELEASE"
"PREVIEW"
Deprecatedcompleted_timestamp: Optional[str]

Deprecated, use completed_at instead. End of life: November 1, 2026.

properties: Optional[ActionLogProperties]

Additional properties for the action

folder: Optional[str]

Target folder for move operations

requested_by: Optional[str]

User who requested the action

status: Optional[str]

Status of the action

client_recipients: List[str]
detection_reasons: List[str]
is_phish_submission: bool
is_quarantined: bool
postfix_id: str

The identifier of the message

properties: Properties

Message processing properties

allowlisted_pattern: Optional[str]

Pattern that allowlisted this message

allowlisted_pattern_type: Optional[Literal["quarantine_release", "acceptable_sender", "allowed_sender", 5 more]]

Type of allowlist pattern

One of the following:
"quarantine_release"
"acceptable_sender"
"allowed_sender"
"allowed_recipient"
"domain_similarity"
"domain_recency"
"managed_acceptable_sender"
"outbound_ndr"
blocklisted_message: Optional[bool]

Whether message was blocklisted

blocklisted_pattern: Optional[str]

Pattern that blocklisted this message

whitelisted_pattern_type: Optional[Literal["quarantine_release", "acceptable_sender", "allowed_sender", 5 more]]

Legacy field for allowlist pattern type

One of the following:
"quarantine_release"
"acceptable_sender"
"allowed_sender"
"allowed_recipient"
"domain_similarity"
"domain_recency"
"managed_acceptable_sender"
"outbound_ndr"
Deprecatedts: str

Deprecated, use scanned_at instead. End of life: November 1, 2026.

alert_id: Optional[str]
delivery_mode: Optional[Literal["DIRECT", "BCC", "JOURNAL", 8 more]]
One of the following:
"DIRECT"
"BCC"
"JOURNAL"
"REVIEW_SUBMISSION"
"DMARC_UNVERIFIED"
"DMARC_FAILURE_REPORT"
"DMARC_AGGREGATE_REPORT"
"THREAT_INTEL_SUBMISSION"
"SIMULATION_SUBMISSION"
"API"
"RETRO_SCAN"
delivery_status: Optional[List[Literal["delivered", "moved", "quarantined", 4 more]]]
One of the following:
"delivered"
"moved"
"quarantined"
"rejected"
"deferred"
"bounced"
"queued"
edf_hash: Optional[str]
envelope_from: Optional[str]
envelope_to: Optional[List[str]]
final_disposition: Optional[Literal["MALICIOUS", "MALICIOUS-BEC", "SUSPICIOUS", 7 more]]
One of the following:
"MALICIOUS"
"MALICIOUS-BEC"
"SUSPICIOUS"
"SPOOF"
"SPAM"
"BULK"
"ENCRYPTED"
"EXTERNAL"
"UNKNOWN"
"NONE"
Deprecatedfindings: Optional[List[Finding]]

Deprecated, use the findings field from GET /investigate/{investigate_id}/detections instead. End of life: November 1, 2026. Detection findings for this message.

attachment: Optional[str]
detail: Optional[str]
detection: Optional[Literal["MALICIOUS", "MALICIOUS-BEC", "SUSPICIOUS", 7 more]]
One of the following:
"MALICIOUS"
"MALICIOUS-BEC"
"SUSPICIOUS"
"SPOOF"
"SPAM"
"BULK"
"ENCRYPTED"
"EXTERNAL"
"UNKNOWN"
"NONE"
field: Optional[str]
name: Optional[str]
portion: Optional[str]
reason: Optional[str]
score: Optional[float]
formatdouble
value: Optional[str]
from_: Optional[str]
from_name: Optional[str]
htmltext_structure_hash: Optional[str]
message_id: Optional[str]
post_delivery_operations: Optional[List[Literal["PREVIEW", "QUARANTINE_RELEASE", "SUBMISSION", "MOVE"]]]

Post-delivery operations performed on this message

One of the following:
"PREVIEW"
"QUARANTINE_RELEASE"
"SUBMISSION"
"MOVE"
postfix_id_outbound: Optional[str]
replyto: Optional[str]
scanned_at: Optional[datetime]

When the message was scanned (UTC)

formatdate-time
sent_at: Optional[datetime]

When the message was sent (UTC)

formatdate-time
sent_date: Optional[str]
subject: Optional[str]
threat_categories: Optional[List[str]]
to: Optional[List[str]]
to_name: Optional[List[str]]
validation: Optional[Validation]
comment: Optional[str]
dkim: Optional[Literal["pass", "neutral", "fail", 2 more]]
One of the following:
"pass"
"neutral"
"fail"
"error"
"none"
dmarc: Optional[Literal["pass", "neutral", "fail", 2 more]]
One of the following:
"pass"
"neutral"
"fail"
"error"
"none"
spf: Optional[Literal["pass", "neutral", "fail", 2 more]]
One of the following:
"pass"
"neutral"
"fail"
"error"
"none"

InvestigateDetections

Get message detection details
email_security.investigate.detections.get(strinvestigate_id, DetectionGetParams**kwargs) -> DetectionGetResponse
GET/accounts/{account_id}/email-security/investigate/{investigate_id}/detections
ModelsExpand Collapse
class DetectionGetResponse: …
action: str
attachments: List[Attachment]
size: int

Size of the attachment in bytes

minimum0
content_type: Optional[str]

MIME type of the attachment

detection: Optional[Literal["MALICIOUS", "MALICIOUS-BEC", "SUSPICIOUS", 7 more]]

Detection result for this attachment

One of the following:
"MALICIOUS"
"MALICIOUS-BEC"
"SUSPICIOUS"
"SPOOF"
"SPAM"
"BULK"
"ENCRYPTED"
"EXTERNAL"
"UNKNOWN"
"NONE"
encrypted: Optional[bool]

Whether the attachment is encrypted

filename: Optional[str]

Name of the attached file

md5: Optional[str]

MD5 hash of the attachment

name: Optional[str]

Attachment name (alternative to filename)

sha1: Optional[str]

SHA1 hash of the attachment

sha256: Optional[str]

SHA256 hash of the attachment

findings: Optional[List[Finding]]
attachment: Optional[str]
detail: Optional[str]
detection: Optional[Literal["MALICIOUS", "MALICIOUS-BEC", "SUSPICIOUS", 7 more]]
One of the following:
"MALICIOUS"
"MALICIOUS-BEC"
"SUSPICIOUS"
"SPOOF"
"SPAM"
"BULK"
"ENCRYPTED"
"EXTERNAL"
"UNKNOWN"
"NONE"
field: Optional[str]
name: Optional[str]
portion: Optional[str]
reason: Optional[str]
score: Optional[float]
formatdouble
value: Optional[str]
headers: List[Header]
name: str
value: str
text: Optional[str]
sender_info: SenderInfo
as_name: Optional[str]

The name of the autonomous system.

as_number: Optional[int]

The number of the autonomous system.

geo: Optional[str]
ip: Optional[str]
pld: Optional[str]
threat_categories: List[ThreatCategory]
id: Optional[int]
description: Optional[str]
name: Optional[str]
validation: Validation
comment: Optional[str]
dkim: Optional[Literal["pass", "neutral", "fail", 2 more]]
One of the following:
"pass"
"neutral"
"fail"
"error"
"none"
dmarc: Optional[Literal["pass", "neutral", "fail", 2 more]]
One of the following:
"pass"
"neutral"
"fail"
"error"
"none"
spf: Optional[Literal["pass", "neutral", "fail", 2 more]]
One of the following:
"pass"
"neutral"
"fail"
"error"
"none"
final_disposition: Optional[Literal["MALICIOUS", "MALICIOUS-BEC", "SUSPICIOUS", 7 more]]
One of the following:
"MALICIOUS"
"MALICIOUS-BEC"
"SUSPICIOUS"
"SPOOF"
"SPAM"
"BULK"
"ENCRYPTED"
"EXTERNAL"
"UNKNOWN"
"NONE"

InvestigatePreview

Get email preview
email_security.investigate.preview.get(strinvestigate_id, PreviewGetParams**kwargs) -> PreviewGetResponse
GET/accounts/{account_id}/email-security/investigate/{investigate_id}/preview
Preview for non-detection messages
email_security.investigate.preview.create(PreviewCreateParams**kwargs) -> PreviewCreateResponse
POST/accounts/{account_id}/email-security/investigate/preview
ModelsExpand Collapse
class PreviewGetResponse: …
screenshot: str

A base64 encoded PNG image of the email.

class PreviewCreateResponse: …
screenshot: str

A base64 encoded PNG image of the email.

InvestigateRaw

Get raw email content
email_security.investigate.raw.get(strinvestigate_id, RawGetParams**kwargs) -> RawGetResponse
GET/accounts/{account_id}/email-security/investigate/{investigate_id}/raw
ModelsExpand Collapse
class RawGetResponse: …
raw: str

A UTF-8 encoded eml file of the email.

InvestigateTrace

Get email trace
email_security.investigate.trace.get(strinvestigate_id, TraceGetParams**kwargs) -> TraceGetResponse
GET/accounts/{account_id}/email-security/investigate/{investigate_id}/trace
ModelsExpand Collapse
class TraceGetResponse: …
inbound: Inbound
lines: Optional[List[InboundLine]]
lineno: Optional[int]

Line number in the trace log

logged_at: Optional[datetime]
formatdate-time
message: Optional[str]
Deprecatedts: Optional[str]

Deprecated, use logged_at instead. End of life: November 1, 2026.

pending: Optional[bool]
outbound: Outbound
lines: Optional[List[OutboundLine]]
lineno: Optional[int]

Line number in the trace log

logged_at: Optional[datetime]
formatdate-time
message: Optional[str]
Deprecatedts: Optional[str]

Deprecated, use logged_at instead. End of life: November 1, 2026.

pending: Optional[bool]

InvestigateMove

Move a message
email_security.investigate.move.create(strinvestigate_id, MoveCreateParams**kwargs) -> SyncSinglePage[MoveCreateResponse]
POST/accounts/{account_id}/email-security/investigate/{investigate_id}/move
Move multiple messages
email_security.investigate.move.bulk(MoveBulkParams**kwargs) -> SyncSinglePage[MoveBulkResponse]
POST/accounts/{account_id}/email-security/investigate/move
ModelsExpand Collapse
class MoveCreateResponse: …
success: bool

Whether the operation succeeded

completed_at: Optional[datetime]

When the move operation completed (UTC)

formatdate-time
Deprecatedcompleted_timestamp: Optional[datetime]

Deprecated, use completed_at instead. End of life: November 1, 2026.

formatdate-time
destination: Optional[str]

Destination folder for the message

Deprecateditem_count: Optional[int]

Number of items moved. End of life: November 1, 2026.

message_id: Optional[str]

Message identifier

operation: Optional[str]

Type of operation performed

recipient: Optional[str]

Recipient email address

status: Optional[str]

Operation status

class MoveBulkResponse: …
success: bool

Whether the operation succeeded

completed_at: Optional[datetime]

When the move operation completed (UTC)

formatdate-time
Deprecatedcompleted_timestamp: Optional[datetime]

Deprecated, use completed_at instead. End of life: November 1, 2026.

formatdate-time
destination: Optional[str]

Destination folder for the message

Deprecateditem_count: Optional[int]

Number of items moved. End of life: November 1, 2026.

message_id: Optional[str]

Message identifier

operation: Optional[str]

Type of operation performed

recipient: Optional[str]

Recipient email address

status: Optional[str]

Operation status

InvestigateReclassify

Change email classification
email_security.investigate.reclassify.create(strinvestigate_id, ReclassifyCreateParams**kwargs) -> object
POST/accounts/{account_id}/email-security/investigate/{investigate_id}/reclassify

InvestigateRelease

Release messages from quarantine
email_security.investigate.release.bulk(ReleaseBulkParams**kwargs) -> SyncSinglePage[ReleaseBulkResponse]
POST/accounts/{account_id}/email-security/investigate/release
ModelsExpand Collapse
class ReleaseBulkResponse: …
id: str

Unique identifier for a message retrieved from investigation

delivered: Optional[List[str]]
failed: Optional[List[str]]
Deprecatedpostfix_id: Optional[str]

Deprecated, use id instead. End of life: November 1, 2026.

undelivered: Optional[List[str]]