## Describe the problem/error/question
Binary reference, introduced in 1.114 doe…s appear to be working for Send Email node - attachment isn't sent.
## What is the error message (if any)?
no error
## Please share your workflow/screenshots/recording
```
{
"nodes": [
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
-672,
-368
],
"id": "c32f51bb-4fb2-44e0-bc54-7cdc1b1c648b",
"name": "When clicking ‘Execute workflow’"
},
{
"parameters": {
"fileSelector": "/data/shared/n8n.png",
"options": {}
},
"type": "n8n-nodes-base.readWriteFile",
"typeVersion": 1,
"position": [
-464,
-368
],
"id": "2a885b5b-d6d7-49a1-9096-2ff58b63bd2e",
"name": "Read/Write Files from Disk"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "8156539f-bc74-4e21-b2ef-d6ca5ca75f5e",
"name": "message",
"value": "Hello!",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
-256,
-368
],
"id": "5349abfb-69b4-4a6e-a156-049490d9f484",
"name": "Edit Fields"
},
{
"parameters": {
"fromEmail": "jabbson@gmail.com",
"toEmail": "jabbson@gmail.com",
"subject": "test",
"html": "={{ $json.message }}",
"options": {
"attachments": "={{ $('Read/Write Files from Disk').item.binary.data }}"
}
},
"type": "n8n-nodes-base.emailSend",
"typeVersion": 2.1,
"position": [
-48,
-368
],
"id": "865439ac-1f0f-4adc-9863-db8f488bb00a",
"name": "Send email",
"webhookId": "37ae60f1-fdbd-418b-ba7b-7eb00409593c",
"credentials": {
"smtp": {
"id": "WYq8oD4WY0DXugE0",
"name": "SMTP jabbson account"
}
}
}
],
"connections": {
"When clicking ‘Execute workflow’": {
"main": [
[
{
"node": "Read/Write Files from Disk",
"type": "main",
"index": 0
}
]
]
},
"Read/Write Files from Disk": {
"main": [
[
{
"node": "Edit Fields",
"type": "main",
"index": 0
}
]
]
},
"Edit Fields": {
"main": [
[
{
"node": "Send email",
"type": "main",
"index": 0
}
]
]
}
},
"pinData": {},
"meta": {
"templateCredsSetupCompleted": true,
"instanceId": "9423335a0111216c302866f5fc1752af6da6042c706e1cc46ecd439bca874130"
}
}
```
## Share the output returned by the last node
email is sent successfully, but without attachment through binary referencing
## Debug info
### core
- n8nVersion: 1.115.3
- platform: docker (self-hosted)
- nodeJsVersion: 22.20.0
- nodeEnv: production
- database: postgres
- executionMode: regular
- concurrency: -1
- license: enterprise (production)
### storage
- success: all
- error: all
- progress: false
- manual: true
- binaryMode: filesystem
### pruning
- enabled: true
- maxAge: 336 hours
- maxCount: 10000 executions
### client
- userAgent: mozilla/5.0 (macintosh; intel mac os x 10_15_7) applewebkit/537.36 (khtml, like gecko) chrome/141.0.0.0 safari/537.36
- isTouchDevice: false
Generated at: 2025-10-15T18:36:34.767Z