Send 1,000 letters
in 60 seconds.
Upload your letter and recipient list. We print, stamp, and mail via USPS.
Starting at $1.60 per letter. No minimums, no setup fees, no contracts.
$0 to upload · No account required · Cancel anytime

How it works
Three steps from spreadsheet to mailbox
Upload your recipient list. Our AI maps the columns. Click send. We handle the printing, stamping, and USPS delivery.
Upload your CSV
CSV, Excel, or Google Sheets export — up to 2,000 recipients per batch.
AI maps your columns
No template needed. Our AI detects names, addresses, and custom variables.
Click send
We print, stamp, address-verify, and mail via USPS the same business day.
742 Evergreen Terrace
Springfield, IL
Dear Sarah Chen,
This letter is to inform you that your balance of $1,240.00 is now past due. Please remit payment at your earliest convenience.
Sincerely,
Accounts Department
Pricing
Pay only for what you mail
Same flat rate from 1 letter to 2,000. No setup fees. No contracts. No surprises.
Save ~2.5 hours of work
DIY estimate: 2.5 hours of printing, folding, stuffing, addressing, and post-office trips.
B&W Standard delivery shown. First Class available at $2.40/letter. Color upgrade available.
Trusted by teams
Built for people who’d rather be doing anything else
“The bulk mail feature with CSV upload is a game changer — what took a full afternoon now takes 10 minutes.”
Angel Li
Investment Associate
“I upload my spreadsheet and WriteToMail handles everything. Absolutely worth it.”
Aleem Virani
Software Engineer
“We switched from printing and mailing in-house. WriteToMail saves us 3 hours a week and the letters look more professional than what we used to send.”
Eric Epstein
CEO
Use cases
What teams are mailing in bulk
Tenant notices
Lease renewals, rent increases, late payment reminders.
Customer outreach
Win-back campaigns, announcements, promotional offers.
Donor appeals
End-of-year giving, capital campaigns, thank-you letters.
HOA communications
Meeting notices, dues reminders, community updates.
Sales prospecting
Cold outreach to prospects pulled from CRM exports.
Past-due reminders
Collection letters, demand letters, payment notices.
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Why teams pick WriteToMail
Frequently asked questions
Ready to send bulk mail?
Upload your letter (PDF or compose it here) and a recipient list (CSV or Excel). We’ll handle the rest. No contract, no setup, no minimums.