Automatisation Email avec n8n : gestion des brouillons en temps réel
Ce workflow n8n a pour objectif d'automatiser la gestion des brouillons d'emails en utilisant l'outil IMAP pour lire les messages et OpenAI pour enrichir le contenu. Dans un contexte professionnel où la gestion des emails est cruciale, ce processus permet de gagner du temps et d'améliorer l'efficacité des équipes. Les cas d'usage incluent la création automatique de brouillons d'emails basés sur des modèles ou des réponses standardisées, facilitant ainsi la communication rapide et efficace. Étape 1 : le workflow commence par une session HTTP pour établir une connexion avec le service de messagerie. Étape 2 : il récupère les identifiants de la boîte aux lettres via une requête HTTP. Étape 3 : les emails entrants sont filtrés pour ne conserver que ceux dans le dossier des brouillons grâce à un nœud de filtrage. Étape 4 : chaque email est ensuite traité pour extraire les champs nécessaires. Étape 5 : OpenAI est utilisé pour générer ou enrichir le contenu des brouillons. Étape 6 : enfin, les brouillons sont uploadés dans la boîte aux lettres. Ce workflow n8n apporte une valeur ajoutée significative en réduisant le temps passé sur la gestion des emails et en minimisant les risques d'erreurs humaines. Tags clés : automatisation, email, n8n.
Vue d'ensemble du workflow n8n
Schéma des nœuds et connexions de ce workflow n8n, généré à partir du JSON n8n.
Détail des nœuds du workflow n8n
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"meta": {
"instanceId": "04ab549d8bbb435ec33b81e4e29965c46cf6f0f9e7afe631018b5e34c8eead58"
},
"nodes": [
{
"id": "082d1828-72b1-48c0-8426-c8051c29f0db",
"name": "Session",
"type": "n8n-nodes-base.httpRequest",
"position": [
-20,
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],
"parameters": {
"url": "https://api.fastmail.com/jmap/session",
"options": {},
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"id": "3IRsYkeB2ofrwQjv",
"name": "Fastmail"
}
},
"typeVersion": 4.2
},
{
"id": "d7dc4c50-c8fc-4999-918d-5d357567ed14",
"name": "Get Mailbox IDs",
"type": "n8n-nodes-base.httpRequest",
"notes": "https://api.fastmail.com/.well-known/jmap\n\nhttps://api.fastmail.com/jmap/session",
"position": [
200,
-20
],
"parameters": {
"url": "https://api.fastmail.com/jmap/api/",
"method": "POST",
"options": {},
"jsonBody": "={\n \"using\": [\"urn:ietf:params:jmap:core\", \"urn:ietf:params:jmap:mail\"],\n \"methodCalls\": [\n [\n \"Mailbox/get\",\n {\n \"accountId\": \"{{ $('Session').item.json.primaryAccounts['urn:ietf:params:jmap:mail'] }}\"\n },\n \"c0\"\n ]\n ]\n }",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
},
{
"name": "Accept",
"value": "application/json"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"id": "3IRsYkeB2ofrwQjv",
"name": "Fastmail"
}
},
"typeVersion": 4.2
},
{
"id": "31be3c1c-f4c5-4309-92b3-2fd0a3fcecc6",
"name": "Split Out",
"type": "n8n-nodes-base.splitOut",
"position": [
400,
-20
],
"parameters": {
"options": {},
"fieldToSplitOut": "methodResponses[0][1].list"
},
"typeVersion": 1
},
{
"id": "93de4dad-70d6-4e16-b351-7c540c3a4bfa",
"name": "Email Trigger (IMAP)",
"type": "n8n-nodes-base.emailReadImap",
"position": [
-20,
-240
],
"parameters": {
"options": {
"customEmailConfig": "[\"UNSEEN\"]"
},
"postProcessAction": "nothing",
"downloadAttachments": true
},
"credentials": {
"imap": {
"id": "vFzz9hU9rTHVHs3I",
"name": "IMAP"
}
},
"typeVersion": 2
},
{
"id": "41e77a60-622f-426c-a50c-e0df03c53208",
"name": "Get fields from source email",
"type": "n8n-nodes-base.set",
"position": [
200,
-240
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "a9d425bd-e576-4e38-a251-b462240d3e2d",
"name": "textPlain",
"type": "string",
"value": "={{ $json.textPlain }}"
},
{
"id": "7071a252-fcad-4aa1-953f-205c3e403497",
"name": "from",
"type": "string",
"value": "={{ $json.from }}"
},
{
"id": "c4b0ed1b-590c-4d7f-b494-a0f34304cc1a",
"name": "subject",
"type": "string",
"value": "={{ $json.subject }}"
},
{
"id": "7e0badd1-02be-4149-b9ff-286f0943f051",
"name": "metadata['message-id']",
"type": "string",
"value": "={{ $json.metadata['message-id'] }}"
},
{
"id": "f87c7c15-c1d3-4696-bcd4-6677e5ddb240",
"name": "metadata['reply-to']",
"type": "string",
"value": "={{ $json.metadata['reply-to'] }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "f9d1a529-1377-456b-8357-d37fb3fe74f9",
"name": "OpenAI",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
400,
-240
],
"parameters": {
"modelId": {
"__rl": true,
"mode": "list",
"value": "gpt-4o",
"cachedResultName": "GPT-4O"
},
"options": {},
"messages": {
"values": [
{
"content": "=Please analyze the following personal email and draft a casual response based solely on its content. Return only the response text without any additional introductions or formatting. The response should include appropriate greetings (e.g., \"Hi\", \"Hallo\", \"Moin\" in German or \"Hi\", \"Hello\" in English) and sign-offs (e.g., \"Gruß\", \"Lieben Gruß\" in German or \"Regards\" in English). Add a thanks if appropriate. Use \"Du\" only if appropriate; if the email contains \"Sie\", maintain the same formality.\n\nSubject: {{ $json.subject }}\nEmail Content: {{ $json.textPlain }}"
}
]
}
},
"credentials": {
"openAiApi": {
"id": "iW0ItIt1ZxCQrBqk",
"name": "OpenAI"
}
},
"typeVersion": 1.5
},
{
"id": "c421ddc9-b230-499c-a11d-a20a68d30c5b",
"name": "Filter for drafts folder",
"type": "n8n-nodes-base.filter",
"position": [
560,
-20
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "4e4c63d1-40fe-4314-bfe7-4fee62c78b88",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.role }}",
"rightValue": "drafts"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "ef19fde4-cf8c-4e19-912e-822611c18056",
"name": "upload draft email",
"type": "n8n-nodes-base.httpRequest",
"notes": "https://api.fastmail.com/.well-known/jmap\n\nhttps://api.fastmail.com/jmap/session",
"position": [
1000,
-120
],
"parameters": {
"url": "https://api.fastmail.com/jmap/api/",
"method": "POST",
"options": {},
"jsonBody": "={\n \"using\": [\"urn:ietf:params:jmap:core\", \"urn:ietf:params:jmap:mail\"],\n \"methodCalls\": [\n [\n \"Email/set\",\n {\n \"accountId\": \"{{ $('Session').item.json.primaryAccounts['urn:ietf:params:jmap:mail'] }}\",\n \"create\": {\n \"newDraft\": {\n \"mailboxIds\": {\n \"{{ $json.draftsId }}\": true\n },\n \"keywords\": {\n \"$draft\": true\n },\n \"inReplyTo\": [\"{{ $json.metadata['message-id'] }}\"],\n \"references\": [\"{{ $json.metadata['message-id'] }}\"],\n \"from\": [{\n \"name\": \"\",\n \"email\": \"{{ $('Session').item.json.username }}\"\n }],\n \"to\": [{\n \"name\": \"{{ $json['to-friendly'] }}\",\n \"email\": \"{{ $json.to }}\"\n }],\n \"subject\": \"{{ $json.subject }}\",\n \"bodyValues\": {\n \"textBody\": {\n \"value\": \"{{ $json.message.content.replace(/\\n/g, '\\\\n') }}\"\n }\n },\n \"bodyStructure\": {\n \"partId\": \"textBody\"\n }\n }\n }\n },\n \"c1\"\n ]\n ]\n}",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
},
{
"name": "Accept",
"value": "application/json"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"id": "3IRsYkeB2ofrwQjv",
"name": "Fastmail"
}
},
"typeVersion": 4.2
},
{
"id": "f4ecb64a-c978-4aa3-943e-c4a7f0592b91",
"name": "gather data for draft email",
"type": "n8n-nodes-base.set",
"position": [
800,
-120
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "78885ad0-fa62-407e-82de-f297190265be",
"name": "draftsId",
"type": "string",
"value": "={{ $json.id }}"
},
{
"id": "fcb31dde-0881-4b98-8bc2-e3e215148a5c",
"name": "to-friendly",
"type": "string",
"value": "={{ $('Get fields from source email').item.json.from.match(/[^<]+/)[0].trim().replaceAll(/\\\"/g, \"\") }}"
},
{
"id": "84c80af6-68dd-44bd-97ba-fde78a42e88a",
"name": "subject",
"type": "string",
"value": "=Re: {{ $('Get fields from source email').item.json.subject }}"
},
{
"id": "590e9856-9c6f-4d23-af42-8a0a1384ac00",
"name": "message.content",
"type": "string",
"value": "={{ $('OpenAI').item.json.message.content }}"
},
{
"id": "4f24e071-24e3-4101-a423-ad5bbcca9fc7",
"name": "metadata['message-id']",
"type": "string",
"value": "={{ $('Get fields from source email').item.json.metadata['message-id'] }}"
},
{
"id": "80c92734-0296-4299-9f98-15cc62e93d44",
"name": "to",
"type": "string",
"value": "={{ $('Get fields from source email').item.json.metadata['reply-to'].match(/<([^>]+)>/)[1] ?? $('Get fields from source email').item.json.from.match(/<([^>]+)>/)[1] }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "ca868672-85bd-4e2e-b2c6-6c6c69b78b24",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-580,
-560
],
"parameters": {
"width": 493.9330818092735,
"height": 695.2489786026621,
"content": "## Workflow Description:\nThis n8n workflow automates the drafting of email replies for Fastmail using OpenAI's GPT-4 model. Here’s the overall process:\n\n1. **Email Monitoring**: The workflow continuously monitors a specified IMAP inbox for new, unread emails.\n2. **Email Data Extraction**: When a new email is detected, it extracts relevant details such as the sender, subject, email body, and metadata.\n3. **AI Response Generation**: The extracted email content is sent to OpenAI's GPT-4, which generates a personalized draft response.\n4. **Get Fastmail Session and Mailbox IDs**: Connects to the Fastmail API to retrieve necessary session details and mailbox IDs.\n5. **Draft Identification**: Identifies the \"Drafts\" folder in the mailbox.\n6. **Draft Preparation**: Compiles all the necessary information to create the draft, including the generated response, original email details, and specified recipient.\n7. **Draft Uploading**: Uploads the prepared draft email to the \"Drafts\" folder in the Fastmail mailbox."
},
"typeVersion": 1
},
{
"id": "c4273cc2-1ac2-43f4-bcd1-7f42d3109373",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-40,
-560
],
"parameters": {
"color": 3,
"width": 722.928660826031,
"height": 285.5319148936168,
"content": "## Prerequisites:\n1. **IMAP Email Account**: You need to configure an IMAP email account in n8n to monitor incoming emails.\n2. **Fastmail API Credentials**: A Fastmail account with JMAP API enabled. You should set up HTTP Header authentication in n8n with your Fastmail API credentials.\n3. **OpenAI API Key**: An API key from OpenAI to access GPT-4. Make sure to configure the OpenAI credentials in n8n."
},
"typeVersion": 1
}
],
"pinData": {},
"connections": {
"OpenAI": {
"main": [
[
{
"node": "Session",
"type": "main",
"index": 0
}
]
]
},
"Session": {
"main": [
[
{
"node": "Get Mailbox IDs",
"type": "main",
"index": 0
}
]
]
},
"Split Out": {
"main": [
[
{
"node": "Filter for drafts folder",
"type": "main",
"index": 0
}
]
]
},
"Get Mailbox IDs": {
"main": [
[
{
"node": "Split Out",
"type": "main",
"index": 0
}
]
]
},
"Email Trigger (IMAP)": {
"main": [
[
{
"node": "Get fields from source email",
"type": "main",
"index": 0
}
]
]
},
"Filter for drafts folder": {
"main": [
[
{
"node": "gather data for draft email",
"type": "main",
"index": 0
}
]
]
},
"gather data for draft email": {
"main": [
[
{
"node": "upload draft email",
"type": "main",
"index": 0
}
]
]
},
"Get fields from source email": {
"main": [
[
{
"node": "OpenAI",
"type": "main",
"index": 0
}
]
]
}
}
}Pour qui est ce workflow ?
Ce workflow s'adresse aux entreprises et équipes marketing qui gèrent un volume important d'emails. Les utilisateurs peuvent être des professionnels de la communication, des responsables marketing ou des équipes de vente, avec un niveau technique intermédiaire à avancé.
Problème résolu
Ce workflow résout le problème de la gestion manuelle des brouillons d'emails, qui peut être chronophage et source d'erreurs. En automatisant ce processus, les utilisateurs peuvent se concentrer sur des tâches à plus forte valeur ajoutée, tout en s'assurant que les communications sont cohérentes et bien formulées. Cela réduit également le risque de perdre des informations importantes dans le flux d'emails.
Étapes du workflow
Étape 1 : le workflow débute par une session HTTP pour établir la connexion. Étape 2 : il récupère les identifiants de la boîte aux lettres via une requête HTTP. Étape 3 : les emails sont filtrés pour ne conserver que ceux dans le dossier des brouillons. Étape 4 : les champs nécessaires des emails sont extraits. Étape 5 : OpenAI génère ou enrichit le contenu des brouillons. Étape 6 : les brouillons sont ensuite uploadés dans la boîte aux lettres.
Guide de personnalisation du workflow n8n
Pour personnaliser ce workflow, vous pouvez modifier l'URL de la requête HTTP pour vous connecter à votre service de messagerie. Il est également possible d'ajuster les paramètres d'authentification selon vos besoins. Si vous souhaitez intégrer d'autres outils, envisagez d'ajouter des nœuds supplémentaires pour enrichir le processus. Pensez à sécuriser le flux en utilisant des méthodes d'authentification robustes et à monitorer les performances pour garantir une efficacité optimale.