The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"nodes": [
{
"id": "31b6611c-e4d1-4ab8-9351-74718caf938d",
"name": "When clicking \"Execute Workflow\"",
"type": "n8n-nodes-base.manualTrigger",
"position": [
820,
360
],
"parameters": {},
"typeVersion": 1
},
{
"id": "5b8a2148-f8e3-4c21-ba39-6aa8cc492c5e",
"name": "Get mailboxes",
"type": "n8n-nodes-base.httpRequest",
"position": [
1260,
360
],
"parameters": {
"url": "https://api.fastmail.com/jmap/api/",
"method": "POST",
"options": {},
"sendBody": true,
"authentication": "genericCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "using",
"value": "={{ [ \"urn:ietf:params:jmap:core\", \"urn:ietf:params:jmap:mail\" ] }}"
},
{
"name": "methodCalls",
"value": "={{\n[\n [ \n \"Mailbox/get\",\n {\n \"accountId\": $json.primaryAccounts['urn:ietf:params:jmap:mail'],\n \"ids\": null\n },\n \"mailboxes\"\n ] \n]\n}}"
}
]
},
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 4.1
},
{
"id": "8477a075-1341-4b69-8e20-4a56b2a96711",
"name": "Fetch API details",
"type": "n8n-nodes-base.httpRequest",
"position": [
1040,
360
],
"parameters": {
"url": "https://api.fastmail.com/jmap/session",
"options": {},
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 4.1
},
{
"id": "87188d6d-eb94-4b83-aaa4-e5c744d65c45",
"name": "Format results",
"type": "n8n-nodes-base.set",
"position": [
1480,
360
],
"parameters": {
"fields": {
"values": [
{
"name": "account_id",
"stringValue": "={{ $('Fetch API details').first().json.primaryAccounts['urn:ietf:params:jmap:mail'] }}"
},
{
"name": "mailbox_id",
"stringValue": "={{ $json.methodResponses.find(e => e[2] == 'mailboxes')[1].list.find(e => e.role == 'inbox').id }}"
}
]
},
"include": "none",
"options": {}
},
"typeVersion": 3.2
},
{
"id": "550b20c1-57ff-497e-b20a-e772e5fbfe86",
"name": "Get unread messages",
"type": "n8n-nodes-base.httpRequest",
"position": [
1700,
360
],
"parameters": {
"url": "https://api.fastmail.com/jmap/api/",
"method": "POST",
"options": {},
"sendBody": true,
"authentication": "genericCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "using",
"value": "={{ [ \"urn:ietf:params:jmap:core\", \"urn:ietf:params:jmap:mail\" ] }}"
},
{
"name": "methodCalls",
"value": "={{\n[\n [ \n \"Email/query\",\n {\n \"accountId\": $json.account_id,\n \"filter\": {\n \"inMailbox\": $json.mailbox_id,\n \"notKeyword\": \"$seen\"\n },\n \"sort\": [\n {\n \"property\": \"receivedAt\",\n \"isAscending\": false\n }\n ],\n \"limit\": 3,\n \"calculateTotal\": true,\n },\n \"messages\"\n ], [\n \"Email/get\",\n {\n \"accountId\": $json.account_id,\n \"#ids\": {\n \"name\": \"Email/query\",\n \"path\": \"/ids\",\n \"resultOf\": \"messages\"\n },\n \"properties\": [\n \"id\",\n \"receivedAt\",\n \"from\",\n \"subject\",\n \"keywords\"\n ]\n },\n \"emails\"\n ] \n]\n}}"
}
]
},
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 4.1
},
{
"id": "7298d504-8e68-481b-a2cb-07a64dcef159",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
980,
200
],
"parameters": {
"color": 5,
"width": 671,
"height": 328,
"content": "## \u2139\ufe0f Replacing the initial nodes\n\nThese nodes fetch your account and mailbox IDs. Consider saving these values instead of querying them on every execution to improve performance and reduce the load on the JMAP API."
},
"typeVersion": 1
},
{
"id": "b279bb2d-e76e-4e3b-abaf-e351d1c3462d",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
980,
-60
],
"parameters": {
"color": 3,
"width": 671,
"height": 232,
"content": "## \u2139\ufe0f Credentials\n\nThe JMAP standard does not limit the available authentication options. Fastmail (the sponsor of the standard) supports Bearer authentication as well as OAuth2.\n\nIn n8n you can implement the Fastmail Bearer authentication by creating Header Auth credentials with a name of `Authorization` and a value of `Bearer $apiToken` (replacing `$apiToken` with your actual [token from Fastmail](https://www.fastmail.com/settings/security/tokens))."
},
"typeVersion": 1
}
],
"connections": {
"Get mailboxes": {
"main": [
[
{
"node": "Format results",
"type": "main",
"index": 0
}
]
]
},
"Format results": {
"main": [
[
{
"node": "Get unread messages",
"type": "main",
"index": 0
}
]
]
},
"Fetch API details": {
"main": [
[
{
"node": "Get mailboxes",
"type": "main",
"index": 0
}
]
]
},
"When clicking \"Execute Workflow\"": {
"main": [
[
{
"node": "Fetch API details",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
httpHeaderAuth
About this workflow
Poll Emails Using Jmap. Uses manualTrigger, httpRequest, stickyNote. Event-driven trigger; 7 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →