Authorize Constant Contact to send marketing email on behalf of your domain by adding the correct SPF include.
TXT
@
v=spf1 include:spf.constantcontact.com ~all
Add include:spf.constantcontact.com to your existing SPF record.
Go to app.constantcontact.com and sign in.
Go to Account Settings > Self-Authentication. This is where you manage domain authentication.
Look up your current SPF record.
dig TXT yourdomain.com +short | grep spfAdd include:spf.constantcontact.com to your existing SPF record.
v=spf1 include:spf.constantcontact.com ~allReturn to Self-Authentication settings and verify the domain.
v=spf1 include:_spf.google.com ~allv=spf1 include:_spf.google.com include:spf.constantcontact.com ~allAfter adding your DNS records, use our free SPF checker to verify everything is configured correctly. DNS changes typically propagate within minutes, but can take up to 48 hours.
Add include:spf.constantcontact.com to your SPF record.
Self-authentication is Constant Contact's domain verification process. It involves adding DNS records to prove you own the domain and authorize Constant Contact to send on its behalf.
Constant Contact recommends setting up both SPF and DKIM (via CNAME records) for complete authentication.