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Connection Center: Email Reporting

The simplest connection of all — email your payroll file and Audit1 ingests it automatically. Learn the rules that make it work every time.

Beginner 5 min read Employers

What you'll learn

  1. Enable email reporting
  2. How Audit1 knows the email is yours
  3. File naming and the FEIN
  4. How many files per email
  5. Send your first report

Before you start

1

Enable Email Reporting

Flip the switch in the Connection Center.

Go to Settings → Payroll → Connections → Create Connection → Email Report and turn on Enable email reporting.

Email payroll reporting
Enable email reporting and note the destination inbox: [email protected].
Do this first. Registering your sender here means your emails are matched instantly instead of being held for manual review.
2

How Audit1 Knows the Email Is Yours

Sender first, FEIN second — never the filename.

Audit1 identifies the company behind an email in this order:

  1. Registered sender email — the address you enabled in the Connection Center (strongest match)
  2. Verified company domain — any address at your verified domain
  3. FEIN in the subject or body — e.g. 12-3456789 or FEIN: 12-3456789
  4. Contact email lookup — the sender matches the contact on your employer record
No match = manual review. The email isn’t lost, but processing is much slower. Register your sender.
3

File Naming and the FEIN

The filename does NOT identify you — but name files well anyway.

  • Put your FEIN in the subject line — it’s the official tiebreaker, and essential if one person sends for more than one company
  • Name files clearly: CompanyName_FEIN_PayPeriod.csv (e.g. Acme_12-3456789_2026-05-31.csv) — it doesn’t drive identification, but it makes review and support far faster
  • Allowed types: CSV, Excel (.xlsx/.xls), PDF — anything else is skipped silently
  • Keep attachments under 25 MB and never password-protect them
4

How Many Files per Email?

Many files, ONE company per email.

  • Multiple attachments are fine — each becomes its own payroll file
  • All attachments in one email go to the SAME company — the one identified from the sender/FEIN
  • Reporting for several companies? Send one email per company, each with that company’s FEIN in the subject
Never mix companies in one email — every file would land on a single account.
5

Send Your First Report

One email, done.

  1. Attach your payroll file(s)
  2. Put the company FEIN and pay period in the subject — e.g. Acme 12-3456789 payroll 2026-05-16 to 2026-05-31
  3. Send to [email protected]
  4. Within 10–15 minutes the file appears in Payroll Files in your portal
All set! Full rules and troubleshooting in the Email connector docs.

Continue learning

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