Onboard Vendors in Days Instead of Weeks

AI guides new vendors through documentation, compliance, and system setup with sequenced emails. Procurement reviews before every send.


Why this matters

Vendor onboarding delays hold up procurement for weeks. Missing documents, incomplete tax forms, and unclear system access instructions mean vendors cannot invoice or deliver on time. Each back-and-forth email asking for another missing document adds days to the process.


How MultiMail solves this

MultiMail's AI agent manages sequenced onboarding emails that guide vendors through every required step — W-9 submission, insurance certificates, payment setup, and compliance certifications. Gated_send ensures procurement reviews each communication for accuracy before reaching the vendor.

1

Trigger Vendor Onboarding

When a new vendor is added to your procurement system, the AI agent generates the complete onboarding email sequence with all required documentation steps.

2

Send Sequenced Instructions

Using send_email, the agent sends step-by-step onboarding emails: welcome with checklist, document requests, system access instructions, and compliance forms.

3

Procurement Reviews

With gated_send, each email is reviewed by procurement before delivery. This prevents errors in requirements, pricing references, or compliance specifications.

4

Track and Follow Up

The agent monitors check_inbox for vendor responses, tracks which documents are outstanding, and sends follow-up reminders for missing items.


Try it with your agent

Pick your platform, copy the prompt, and paste it to your AI agent — it sets up MultiMail and builds the whole flow. Nothing to fill in.

1. Get MultiMail ready: read https://multimail.dev/llms.txt, connect the MCP server, create a free inbox, and set up a verified sender. 2. In SAP Ariba Supplier Lifecycle and Performance, monitor new supplier registration projects, qualification questionnaires, and supplier management tasks through the available SAP Ariba APIs and event notifications your procurement admin has enabled. 3. For each new or stalled vendor, draft a sequenced onboarding email path covering W-9 submission, insurance certificates, payment setup, compliance certifications, portal access instructions, and due dates; personalize each message with the supplier name, category, buyer contact, missing questionnaire fields, and current project status. 4. Schedule follow-ups every 3 business days until the vendor completes the missing items, and stop the sequence when SAP Ariba shows the registration or qualification task is complete. 5. Run every outbound message in MultiMail gated_send mode so procurement reviews it before delivery; ask me only for SAP Ariba credentials, sender/domain approval, and brand voice details needed to go live.

What you get

Onboard in Days, Not Weeks

Sequenced emails with clear instructions eliminate confusion and back-and-forth. Vendors know exactly what to provide and when.

Accurate Requirements Communication

Gated send ensures procurement reviews every email for correct requirements, pricing references, and compliance specifications before delivery.

Automated Follow-Up on Missing Items

The AI agent tracks which documents are outstanding and sends escalating reminders, ensuring nothing falls through the cracks.

Standardized Process

Every vendor receives the same comprehensive onboarding sequence, reducing variability and ensuring no required step is skipped.


Recommended oversight mode

Recommended
gated_send
Vendor onboarding communications contain specific requirements, pricing references, and compliance specifications. Errors could cause delays or legal issues. Procurement must review instructions for accuracy before sending.

Common questions

Can we customize onboarding sequences by vendor type?
Yes. Your AI agent can maintain different onboarding templates for different vendor categories — suppliers, contractors, consultants, etc. Each category has its own document requirements, compliance needs, and communication cadence.
How do we track document submission status?
The AI agent monitors the procurement mailbox for vendor replies with attachments. It can update contact records with submission status and trigger the next onboarding step when prerequisites are met. Use set_tags to categorize submissions by document type.
What if a vendor has questions about requirements?
Vendor replies come into your MultiMail inbox where the AI agent can read them and either provide automated answers for common questions or route complex inquiries to the procurement team for human response.
Can we set deadlines and escalation paths?
Your AI agent can enforce onboarding deadlines with escalating reminders — friendly at 7 days, firm at 3 days, urgent at 1 day. If deadlines pass without completion, the agent can notify the procurement manager for escalation.

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The only agent email with a verifiable sender

Email infrastructure built for AI agents. Verifiable identity, graduated oversight, and a hosted MCP server. Formally verified in Lean 4.