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Learn how to add SendX authentication records to Cloudflare, GoDaddy, Namecheap, Route53, and other DNS providers. Provider-specific tips included.

Authenticating with Various Domain Hosts

Learn what domain authentication is and why it matters for email deliverability. Understand DKIM, DMARC, and how to protect your brand from spoofing

Domain Authentication

Learn how DMARC protects your domain from spoofing and improves email deliverability. Understand policies (none, quarantine, reject) and reporting basics.

The Basics of DMARC

Gmail and Yahoo require email authentication for bulk senders. Learn what's required, what SendX handles automatically, and what you need to do to stay compliant

How to Comply with New Email Authentication Policies

Should you send emails from your root domain or a subdomain? Learn the tradeoffs, how subdomains affect authentication, and when each approach makes sense

Subdomains for Sending: What You Need to Know

Learn how to authenticate your domain in SendX. Step-by-step instructions for adding DKIM and DMARC records to verify your sending domain.

How to Authenticate a Domain

Learn how to add a DKIM record to authenticate your SendX emails. Step-by-step instructions for finding, copying, and adding your DKIM record to DNS.

How to Add a DKIM Record

Learn how to add a DMARC record to complete your SendX domain authentication. Understand policies, find your record, and add it to DNS correctly.

How to Add a DMARC Record

Domain not verifying in SendX? Learn how to fix the most common DNS authentication errors including double domains and DMARC failures

Troubleshooting Domain Authentication Errors

Add SendX DNS records to Cloudflare with this step-by-step guide. Learn why you must disable proxy status for CNAME records used in email authentication.

Cloudflare Step-by-Step Domain Authentication

Authenticate your SendX domain in GoDaddy. Step-by-step instructions for adding DKIM, CNAME, and DMARC records for email deliverability

GoDaddy Step-by-Step Domain Authentication

Add SendX DNS records to Namecheap with this step-by-step guide. Learn how to use the Advanced DNS tab to add DKIM, CNAME, and DMARC records.

Namecheap Step-by-Step Domain Authentication

Authenticate your SendX domain in AWS Route53. Step-by-step instructions for adding DKIM, CNAME, and DMARC records in the Quick create interface.

AWS Route53 Step-by-Step Domain Authentication

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All settings and query related to sending domain and it's dns records

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