Inbound

2026/11/12更新

    The Inbound Webhook analyze the header and body of the received email and notifies the endpoint of this in an HTTP request. It can be used as an interface for the system to process received emails such as blank emails and email forms.

    API Settings

    To use Inbound Webhook, you need to set the API from the management console.

    Please refer to User Guide -> "API" -> Webhook and perform the API settings.

    Event

    The Inbound Webhook posts the following parameters to the endpoint when it receives an email.

    Parameter

    Required

    Data Type

    Description

    api_key

    No

    ASCII

    If you set the API key on the management console, the specified API key will be sent.

    server_composition

    Yes

    UTF-8

    Sends the name of the server configuration that this event occurred.

    filter

    Yes

    UTF-8

    Send the reception notification name set in Webhook of the management console -> Inbound.

    headers

    Yes

    UTF-8

    Sends the header of the received email in JSON format.

    text

    No

    UTF-8

    Sends the text body of the received email.

    html

    No

    UTF-8

    Sends the HTML body of the received email.

    subject

    Yes

    UTF-8

    Sends the subject of the received email.

    envelope-from

    Yes

    ASCII

    Sends the envelope from of the received email.

    envelope-to

    Yes

    ASCII

    Sends the envelope to of the received email.

    attachments

    Yes

    INTEGER

    Send the number of attachments in the email you received. If the attachment does not exist, its value is '0'.
    The maximum number of attachments per email is '10'.

    attachmentN

    No

    BINARY

    If a file is attached to the received email, the attached file will be sent in the file upload format.The N in the parameter name attachment is the sequence number of the attachment. Sequence numbers start at 1 and end with 'attachments'.

    headers

    The JSON format of the headers parameter is a list of objects that have 'name' and 'value' in the properties. Mapping the email header and its value.

    JSON

    [
        {
            "name" : "return-path",
            "value" : "bounce@hennge.com"
        },
        {
            "name" : "To",
            "value" : "receiver@hennge.com"
        },
        {
            "name" : "From",
            "value" : "sender@hennge.com"
        }
    ]

    Property

    Description

    name

    Name of the mail header

    value

    Value of the mail header

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