DKIM es a security protocol that signs the emails on each delivery, this will allow us to authenticate the mail server that sends it.
Enter into the OVH Manager
Go to: Web Cloud → Emails → Domains → your-domain
Choose the DKIM diagnosis:
Pulsa en él y se activa.
Before you activate it, they will tell you: To set up your DKIM, you need to add these two records to your DNS
We are copying these records and going to CloudFlare.
Now select your domain.
Click on DNS > Records
You add the following:
Type: CNAME
Name: we put … until ._domainkey the rest (domain) is placed only by Cloudflare.
TTL: auto
TARGET: we will copy the rest here as it is complete: ovhmo.......-selector2._domainkey........pp.dkim.mail.ovh.net
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p Do not activate the Proxy (grey cloud)
We click on save.
We do the same with the second code that gives us OVH.
We click on activate now.
⚠️ Note: if you get this error The DKIM configuration has failed. ovhmo4708841-selector2 need to be set
You should wait 10-15 minutes for the DNS to settle.
