@Power BI Admin Ciel Thanks for your question. I have reproduced your issue in my environment and I am able to successfully upload the blobs that are received as attachments from the email. Here is my logic app code for your reference.
{
"definition": {
"$schema": "https://schema.management.azure.com/providers/Microsoft.Logic/schemas/2016-06-01/workflowdefinition.json#",
"actions": {
"Compose": {
"inputs": "@triggerBody()?['attachments']",
"runAfter": {},
"type": "Compose"
},
"For_each": {
"actions": {
"Create_blob_(V2)": {
"inputs": {
"body": "@{items('For_each')?['contentBytes']}",
"headers": {
"ReadFileMetadataFromServer": true
},
"host": {
"connection": {
"name": "@parameters('$connections')['azureblob']['connectionId']"
}
},
"method": "post",
"path": "/v2/datasets/@{encodeURIComponent(encodeURIComponent('AccountNameFromSettings'))}/files",
"queries": {
"folderPath": "/hhjlll",
"name": "@{items('For_each')?['name']}",
"queryParametersSingleEncoded": true
}
},
"runtimeConfiguration": {
"contentTransfer": {
"transferMode": "Chunked"
}
},
"type": "ApiConnection"
}
},
"foreach": "@outputs('Compose')",
"runAfter": {
"Compose": [
"Succeeded"
]
},
"type": "Foreach"
}
},
"contentVersion": "1.0.0.0",
"outputs": {},
"parameters": {
"$connections": {
"defaultValue": {},
"type": "Object"
}
},
"triggers": {
"When_a_new_email_arrives_(V3)": {
"inputs": {
"fetch": {
"method": "get",
"pathTemplate": {
"template": "/v3/Mail/OnNewEmail"
},
"queries": {
"fetchOnlyWithAttachment": true,
"folderPath": "Id::AAMkADExZTRjNDJmLTMwNzktNGM4ZC05YThmLTQ5NWMwODk0ZGQxMwAuAAAAAABrSNp1lgosTJyDa_IAMdNMAQAMlk7ChMbeS7yA0c_URndrAAOD5QzHAAA=",
"importance": "Any",
"includeAttachments": true
}
},
"host": {
"connection": {
"name": "@parameters('$connections')['office365']['connectionId']"
}
},
"subscribe": {
"body": {
"NotificationUrl": "@{listCallbackUrl()}"
},
"method": "post",
"pathTemplate": {
"template": "/GraphMailSubscriptionPoke/$subscriptions"
},
"queries": {
"fetchOnlyWithAttachment": true,
"folderPath": "Id::AAMkADExZTRjNDJmLTMwNzktNGM4ZC05YThmLTQ5NWMwODk0ZGQxMwAuAAAAAABrSNp1lgosTJyDa_IAMdNMAQAMlk7ChMbeS7yA0c_URndrAAOD5QzHAAA=",
"importance": "Any"
}
}
},
"metadata": {
"Id::AAMkADExZTRjNDJmLTMwNzktNGM4ZC05YThmLTQ5NWMwODk0ZGQxMwAuAAAAAABrSNp1lgosTJyDa_IAMdNMAQAMlk7ChMbeS7yA0c_URndrAAOD5QzHAAA=": "Azure SDK"
},
"splitOn": "@triggerBody()?['value']",
"type": "ApiConnectionNotification"
}
}
},
"parameters": {
"$connections": {
"value": {
"azureblob": {
"connectionId": "/subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/resourceGroups/sw/providers/Microsoft.Web/connections/azureblob",
"connectionName": "azureblob",
"id": "/subscriptions/
xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
/providers/Microsoft.Web/locations/southindia/managedApis/azureblob"
},
"office365": {
"connectionId": "/subscriptions/
xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
/resourceGroups/sw/providers/Microsoft.Web/connections/office365-1",
"connectionName": "office365-1",
"id": "/subscriptions/
xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
/providers/Microsoft.Web/locations/southindia/managedApis/office365"
}
}
}
}
}