Sieve ルールでの AI: フィルター条件としての "このメールは請求書ですか?"

require ["vnd.nextxch.ai", "fileinto", "copy", "imap4flags"];

# Free yes/no question
if ai :question "Is this mail an invoice or a payment request?" :confidence 70 {
    fileinto "Accounting";
    stop;
}

# Choice between categories: true when the model picks "Application"
if ai :category ["Invoice", "Application", "Support", "Newsletter"] "Application" {
    redirect :copy "hr@company.com";
}

# Combined with ordinary tests (cheap tests first: the model is only asked when reached)
if allof (address :domain :is "from" "customer.com",
          ai :question "Is this an urgent request or complaint?" :confidence 75) {
    addflag "\\Flagged";
}

Template                              Condition                                              Action
Invoices to the Accounting folder     Question "Is this mail an invoice ...?" (70 %)         Move to "Accounting"
Forward job applications to HR        Category "Application" of 5 categories (70 %)         Copy to hr@<your domain>
Flag urgent customer mails            Question "Urgent request or complaint?" (75 %)         Flag as important

Question: Is this mail an invoice?

<<<EMAIL
From: Supplier Billing <[email@supplier.com]>
Subject: Invoice 2026-1042
Attachments: Invoice-2026-1042.pdf
Body:
Dear Sir or Madam, please find attached our invoice for EUR 1,200.
Please transfer to [number] by 17 Nov 2026.
EMAIL>>>

Model answer: {"answer":"yes","confidence":0.94}
Rule log:     ai :question "Is this mail an invoice?" -> true (ja, 94 %, openai/llama3.2:3b)

# Linux
curl -fsSL https://ollama.com/install.sh | sh
ollama pull llama3.2:3b
curl http://127.0.0.1:11434/v1/models

# Windows (PowerShell)
winget install Ollama.Ollama
ollama pull llama3.2:3b

# Admin > SpamGuard > Extensions > AI classifier, tier 1:
#   Provider: OpenAI-compatible · Endpoint: http://127.0.0.1:11434/v1 · Model: llama3.2:3b
# Admin > SpamGuard > Extensions > AI in rules: enable, save, live test