An AI invoice spam filtering agent examines the sender, the document and the content of each message and compares them with known vendors, past invoices and typical patterns.
Scans each email and attachment.
Compares sender domain and name with vendor records.
Looks for phishing patterns and mismatched bank details.
Marks as clean, suspicious or likely junk.
A person inspects suspicious items.
Suspicious items are held, clean ones continue.
It scores each item for signs of trouble, such as an unknown sender posing as a known vendor, mismatched bank details or an invoice for goods nobody ordered.
It holds suspicious items in a review queue with the reasons shown. People decide what is genuine.
Fraudulent and unsolicited invoices are designed to look ordinary, and a busy AP team has little time to inspect every sender.
Domains and names are changed by a character.
Scammers rely on bills being paid by default.
A familiar vendor name with new account details is a classic sign.
Links and files can carry malware.
Over-strict filtering delays real invoices.
Compares sender address, domain and display name with vendor records and prior mail.
Reads the invoice and looks for details that do not fit, such as unfamiliar remit-to data or layout.
Checks whether any PO, contract or past order supports the invoice.
Rates the risk and lists the reasons in plain language.
Passes low-risk invoices on and holds suspect ones for a person, never deleting them.
Bring a small sample and watch Flo work through it.
| Aspect | By hand | With the agent |
|---|---|---|
| Volume | Staff delete junk by hand every day. | Obvious junk is held away from the invoice queue. |
| Fake invoices | Look-alike invoices get past a glance. | Sender and content are checked against vendor records. |
| Bank details | Changed details are noticed only by careful readers. | Bank detail changes are flagged for verification. |
| Explanations | Why a message was dropped is not recorded. | Each hold carries a stated reason. |
| False drops | Real invoices can be deleted by mistake. | Held items are listed for review, not removed. |
| If | Then | Who decides |
|---|---|---|
| Sender domain does not match any vendor record | Marks the message suspicious | AP specialist |
| Invoice shows bank details different from the record | Holds it and flags a verification step | AP lead and vendor manager |
| Message is bulk marketing | Moves it out of the invoice queue | Mailbox owner |
| Attachment is an executable or unusual file type | Quarantines it and notes the type | IT security |
| Message uses urgent payment pressure language | Raises a caution flag | AP specialist |
| Sender previously confirmed as genuine | Passes it with the prior confirmation noted | None needed |
The sender looks unfamiliar so the message is held. A person verifies by a known contact and adds the new sender.
The agent notes the link without opening it. The reviewer decides whether to fetch it.
The agent flags mismatch with the vendor record. The vendor manager confirms the contact.
The agent flags the duplicate pattern and sender mismatch. IT security and AP review together.
Talk it through with the team. We will map it to your steps and show where a person stays in control.
Start by labelling, with no holds, and check false calls.
Hold clear marketing and junk away from the queue.
Link flags to a verification routine.
Check missed and wrongly held items and adjust the rules.
A high rate means the filter is slowing real invoices. A rate that is too low may mean it is too lenient, so review misses as well.
Quick answers to what people ask most about invoice spam filtering.
Book a demoIt is screening AP mail to catch fake invoices, phishing and unsolicited bills before they reach approval, and holding suspicious items for human review.
Triage sorts all AP mail by purpose. Spam filtering focuses on risk and decides whether a message looks genuine at all.
It holds, rather than deletes, anything it is unsure about, and shows why. A person releases genuine items, and the feedback helps tune the rules.
It can flag a mismatch between bank details on an invoice and those on record. A person verifies any change using a known contact.
What is invoice email triage?
→What is invoice capture?
→What is invoice intake?
→What is invoice data extraction?
→Bring a small sample of real items. We will show what Flo handles on its own and where it hands over to your team.
