Manage DKIM records

This guide explains how add or modify a DKIM type record in a DNS (domain name) area managed on the Manager Infomaniak.

Preamble

• The type of recording DKIM (Domain Keys Identified Mail)is a protocol that allows you to sign emails when sending them and allows the optimal operation of your Infomaniak email.
• This ensures that the contents of the mails are not changed in their routing and that they come from the domain of its sender. This standard prevents spammers from pretending to be legitimate entities.
• The DKIM will fail if it detects that a message has been changed and that unauthorized changes have been made to the "From"of the message.
• The DKIM standard is activated for all Infomaniak customers with a Service Mail whose domain name has its DNS area managed by Infomaniak. All e-mails sent fromMail or the software/mail client of your choice are automatically signed.
• DKIM is not available for subdomains.

Check DKIM record

The tool of Global security allows you to easily check and correct some problematic records.

And when your domain name is managed elsewhere, you will find there the DKIM recording to be added in the DNS field:

Manually modify the DNS area (not recommended)

Be aware of this other guide to manage this type of recording in a DNS area.

Add several DKIMs

You can have several DKIM records on your domain without limit, unlike DMARC or SPF, as long as your DNS host allows.

If you are using multiple third-party courier providers, e.g. Odoo ERP, it is necessary to add a DKIM for Odoo in addition to that of Infomaniak.

Use unique DKIM selectors to avoid conflicts with existing recordings.