Kontakti instructions

Public Notification

• Product terms and conditions

• Mailing instructions

Target Groups

• Target Group Services terms and conditions

Read more about Target Group Services

Update Service, Notification Service and Verification Service

Product terms and prices

Posti update service record specification

Template file for update service

Data Transfer

• Kontakti Data Transfer User Guide (in Finnish)

Instructions for Mailers

• Instructions for Mailing Houses

• Posti self-service channels

General Terms and Conditions

• Posti Ltd and Posti Distribution Ltd terms of use: Electronic Channels

• Posti's General Terms and Conditions for Business Customers