Start with a free scan. See what MailProof can flag.
Upload a photo of the letter to see potential red flags, from misleading promises to what the fine print changes. MailProof compares advertised terms with the estimated real monthly cost in plain English.
Free to start. No credit card required.
Potential red flag
Payment shown without escrow
MailProof surfaces what changes the real monthly cost.
Our promise
Facts you can verify.
From mailbox to math
One photo. Clear answers.
Start with a mortgage or refinance letter. MailProof keeps the analysis factual, tying each finding to the offer and its stated terms.
See what the offer leaves out.
See potential red flags, what the fine print changes, and which headline claims deserve a closer look.
Potential red flags on the image
Terms, exclusions, and fine print are connected directly to where they appear.
Advertised terms vs. real cost
Advertised rates and payments are compared with current market context and the stated assumptions.
02 / INPUT
Take a photo. Upload it free.
No app-store download and no financial account connection. Start with a readable photo of the letter.
03 / METHOD
Arithmetic over accusation.
MailProof reports measurable gaps: the rate shown, the market comparison, and costs excluded from the payment.
Simple access
Your first clear look is free.
Upload a photo of mortgage or refinance mail for potential red flags, a plain-English explanation, and advertised terms beside estimated monthly cost.
Start with a free scan
Upload the letter and see what MailProof can flag—from misleading promises to the real cost behind the offer.
free to start
- Upload a photo of mortgage or refinance mail
- Potential red flags highlighted on the letter
- Advertised terms compared with estimated monthly cost
- A plain-English explanation of what the fine print changes
AI analysis for every new offer.
Upgrade for ongoing AI-powered mortgage-mail analysis whenever another solicitation arrives.
$10/month
Get MailProof Plus- Everything in the free standard scan
- Ongoing access to AI-powered letter checks
- Mortgage and refinance mail analysis
- Clear payment context without sales pressure
Member Trust Pilot
Give members a credible place to check solicitation claims before they respond.
Custom pilot pricing
Discuss a pilot- Credit-union branding
- Member-facing upload experience
- Configurable education and next steps
- Pilot scope and pricing tailored to your institution
Before you call the number
Put the letter's claims to the test.
Upload a photo of the letter for potential red flags, plain-English context, and a closer look at what the fine print changes.
Upload a letter free