Suomi.fi for Service Developers
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Electronic messages

Sending electronic messages is the key functionality of Suomi.fi Messages.

Organisations can make use of electronic messages and their features only when a message is delivered to an active electronic mailbox. If necessary, a message can also be delivered as paper mail through Suomi.fi Messages. You can read more about the available message delivery methods on the Message Delivery Methods page.

The functionalities related to sending electronic messages are described in more detail on the subpages of this page. These functionalities are:
formatting the header and content of a message and adding attachments
managing notifications for delivered messages
electronic deliveries of verifiable services
maintaining the integrity of electronic signatures in sent attachments.


Updated: 24/7/2026

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