How to Set Up DKIM for Brevo (formerly Sendinblue)

Enable DKIM for Brevo by publishing a TXT record that allows Brevo to cryptographically sign your email.

Quick Answer — The Record You Need

Record Type

TXT

Host / Name

mail._domainkey

Value

v=DKIM1; k=rsa; p=YOUR_PUBLIC_KEY_FROM_BREVO

Brevo provides the DKIM TXT record during domain authentication. The selector is typically "mail".

Step-by-Step Setup

Log in to Brevo

Go to app.brevo.com and sign in.

Navigate to domain settings

Go to Settings > Senders, Domains & Dedicated IPs > Domains.

View the DKIM record

Select your domain. Brevo displays the DKIM TXT record with the selector and public key value.

Add the TXT record to DNS

Create a TXT record in your DNS provider.

mail._domainkey.yourdomain.com  TXT  "v=DKIM1; k=rsa; p=MIGfMA0GCS..."

Verify in Brevo

Click "Verify" in Brevo. Once verified, DKIM signing activates.

Common Gotchas

Brevo typically uses "mail" as the DKIM selector, but always check the exact value shown in your account dashboard.
Brevo DKIM uses a TXT record, not a CNAME. Copy the exact value from your Brevo settings.
The DKIM record is part of the overall domain authentication process. Complete all records (SPF, DKIM, and DMARC) provided by Brevo.

Verify Your Setup

After adding your DNS records, use our free DKIM checker to verify everything is configured correctly. DNS changes typically propagate within minutes, but can take up to 48 hours.

Frequently Asked Questions

What DKIM selector does Brevo use?

Brevo typically uses "mail" as the DKIM selector. The record is published at mail._domainkey.yourdomain.com as a TXT record.

Is the Brevo DKIM record a TXT or CNAME?

Brevo uses a TXT record for DKIM, containing the public key directly.

Can I rotate DKIM keys in Brevo?

Contact Brevo support for DKIM key rotation. New keys can be generated in the domain settings.