We strengthen family connections while making prisons safer.

Write a letter and add photos from your phone. Prison Post screens it, prints it securely inside the prison every morning, and it reaches your loved one the same day - for £1.

Postcard with a blue stamp valued at £1, a round blue seal marked 'Prison Post' with the time 09:30, and the handwritten message to D. Williams at HMP Buckley Hall. The postcard has lines for writing an address and mentions 'Photo Enclosed' at the bottom.

WRITTEN

From any phone, tablet or computer


SCREENED

At content screening, before printing


PRINTED

Automatically, inside the prison

DELIVERED

To the wing, the very same day


WHY IT MATTERS

Family contact changes outcomes

Letters are the most consistent thread between a prisoner and home. The evidence on what that contact does is unambiguous.

46%

of prisoners

lose contact with their families while in custody

39%

reduction

in reoffending among prisoners who maintain family ties

£1

per letter

including photos - affordable contact for every family

Three steps. Same-day delivery.

HOW IT WORKS

1

Write and send

Type your letter and attach photos from your phone, tablet or computer. Pay £1 and press send — no stamps, no envelopes, no trips to the post office.

Available on iOS, Android and web

2

Screened automatically

Every letter passes AI content screening before it is printed. Anything flagged is held for review, protecting prisoners, families and staff.

Available on iOS, Android and web

3

Printed inside the prison

At 09:30 each morning, letters print automatically on a secure printer inside the prison and are delivered with the day's mail.

Available on iOS, Android and web

Designed for the people who write.

FOR FAMILIES

Designed for families

Prison Post exists because staying in touch shouldn't depend on stamps, printers or postal delays.

- Write from anywhere, any time

- Add photos straight from your camera roll

- Know your letter was printed and delivered

- £1 - no subscriptions, no hidden costs

Secure by design. Zero burden on the establishment.

FOR PRISONS & PARTNERS

Prison Post is operationally ready and built around the realities of a custodial environment — proven, secure, and at no cost to the prison.

SECURITY

Screened before printing

AI content screening reviews every letter and image before anything is committed to paper. Flagged items are held — nothing prints unchecked.

INFRASTRUCTURE

No HMPPS ICT connection‍

The service runs on a standalone secure printer with its own connectivity. Nothing touches establishment networks, and nothing requires ICT approval cycles.

COST

Zero cost to the prison

Hardware, consumables and support are provided and maintained by Prison Post. The establishment provides a plug socket and a mail run that already exists.

THE PILOT

Ready for any prison.

Prison Post is being proven in a working establishment, with every operational detail agreed in advance.

LOCATION

Category C resettlement prison

DAILY OPERATION

Automatic print run at 09:30; letters join the existing internal mail round

PRINTER

HP Color LaserJet Pro MFP 4302dw — standalone, secure, maintained by Prison Post

SCREENING

AI content screening of all text and images before any letter is printed

One price. Everything included.

PRICING

£1

per letter, photos included

  • Letter of any reasonable length

  • Colour photos printed and enclosed

  • Screened, printed and delivered same day

  • No subscription, no minimum, no hidden fees

QUESTIONS

Frequently asked.