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API, Webhooks & Email Integration

Send email from your own domain

Add the DNS records that make quotes, reminders and notifications land in the inbox.

5 min read

  1. 1

    Add your sending domain

    Settings → Email identity. Use a subdomain such as mail.yourcompany.co.uk.

  2. 2

    Add the DNS records

    Create the SPF, DKIM and DMARC records shown below at your domain registrar.

  3. 3

    Verify

    Verification usually completes in minutes; DNS can take up to 24 hours to propagate.

  4. 4

    Set your from name

    Use your trading name so customers recognise the sender instantly.

DNS records

TXT   mail        v=spf1 include:_spf.resend.com ~all
TXT   resend._domainkey   p=YOUR_DKIM_PUBLIC_KEY
TXT   _dmarc      v=DMARC1; p=none; rua=mailto:dmarc@yourcompany.co.uk

Troubleshooting & FAQs

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