Barracuda Mailhub

Email security and filtering logs

Global Fields (4)

FieldType
ngs.createdAt
Timestamp when the event was created locally.
pdate
ngs.id
Unique identifier for the log entry.
string
ngs.indexedAt
Timestamp when the log was indexed into the SIEM.
pdate
ngs.source
Origin or source system of the log.
string

Generic Fields (7)

These are common fields that appear across multiple namespaces. They represent attributes that are inherited or reused from a global schema— things like timestamps, unique identifiers, user IDs, or status codes that every namespace needs. By sharing these fields, we ensure consistency and make it easy to run cross-namespace searches and reports.

FieldReference-Specific FieldsType
gen.dest.ip
Destination IP address.
barracudaMailhub.destIp
text_general
gen.dest.port
Destination port number.
barracudaMailhub.destPort
pint
gen.mail.receiver
Email address of the message recipient.
barracudaMailhub.recipient
strings
gen.mail.sender
Email address of the message sender.
barracudaMailhub.sender
strings
gen.mail.size
Size of the email in bytes.
barracudaMailhub.size
plong
gen.src.ip
Source IP address.
barracudaMailhub.srcIp
text_general
gen.mail.subject
Subject line of the email.
barracudaMailhub.subject
strings

Reference-Specific Fields (22)

FieldType
barracudaMailhub.action
Textual description of the mailhub action (e.g., DELIVER, BOUNCE, QUARANTINE)
text_general
barracudaMailhub.actionId
Numeric code representing the specific action taken by the mailhub
pint
barracudaMailhub.destDomainname
Fully qualified domain name of the mail's destination server
text_general
barracudaMailhub.destIp
IP address of the mail's destination server
text_general
barracudaMailhub.destPort
TCP port number used to connect to the destination mail server
pint
barracudaMailhub.encoded
Boolean flag indicating whether the message was base64 or quoted-printable encoded
boolean
barracudaMailhub.end
Timestamp when the mail transaction completed or was handed off
pdate
barracudaMailhub.id
Unique identifier for the mailhub log entry
string
barracudaMailhub.name
Human-readable identifier for this mail processing instance or host
string
barracudaMailhub.queueId
Identifier of the mail message in the processing queue
string
barracudaMailhub.reason
Primary textual reason for blocking, deferring, or delivering the mail
text_general
barracudaMailhub.reasonExtra
Additional textual details explaining why the mail was blocked, deferred, or accepted
text_general
barracudaMailhub.reasonId
Numeric code corresponding to the primary reason for the action
pint
barracudaMailhub.recipient
Email address of the intended recipient
text_general
barracudaMailhub.sendMsg
Raw SMTP command or response logged during the send process
text_general
barracudaMailhub.sender
Envelope sender address of the email
text_general
barracudaMailhub.size
Size of the message in bytes
plong
barracudaMailhub.spamScore
Numeric spam-detection score assigned to the message
pfloat
barracudaMailhub.srcDomainname
Fully qualified domain name of the client that sent the email
text_general
barracudaMailhub.srcIp
IP address of the client that submitted the email
text_general
barracudaMailhub.start
Timestamp when the mail transaction began or was received
pdate
barracudaMailhub.subject
Subject line of the email message
text_general

Sample Log Event

Below is a representative JSON log entry showing key fields as they're emitted by the system. Depending on the context of the event, some fields may be omitted if they're not applicable.