Feature · Custom Domains

Send from your domain. Build trust in every inbox.

ConvertNow custom sending domains let you send email from your own domain with full DKIM, SPF, DMARC, and return path authentication. ConvertNow generates the exact DNS records needed and verifies them automatically once added at your registrar. Custom sending domains are included on every ConvertNow plan at no extra charge and typically take under 10 minutes to set up.

Add your domain free
send.yourdomain.com
✓ Verified
Add these DNS records at your registrar to authenticate your emails.
SPF
TXT
v=spf1 include:...
✓ Verified
DKIM
TXT
postal-xxxx._domainkey
✓ Verified
DMARC
TXT
_dmarc.yourdomain.com
✓ Verified

Why your sending domain matters

Inbox providers use your sending domain to decide whether to deliver your email, send it to spam, or block it entirely. A properly authenticated domain is the single most important factor in email deliverability.

DKIM signing

DomainKeys Identified Mail cryptographically signs every email you send. Inbox providers verify the signature to confirm the email genuinely came from your domain. Required for Gmail and Outlook deliverability.

SPF record

Sender Policy Framework lists the mail servers authorised to send email on behalf of your domain. Receiving mail servers check your SPF record before accepting your email.

DMARC policy

Domain-based Message Authentication tells receiving mail servers what to do with emails that fail SPF or DKIM: quarantine, reject, or report. DMARC is now required by Gmail and Yahoo for bulk senders.

Return path

The return path (bounce address) receives bounce notifications from receiving mail servers. Properly configured return path ensures bounce data flows back to ConvertNow for suppression management.

Set up your custom domain in under 10 minutes

ConvertNow generates the exact DNS records you need to add at your domain registrar. Once added, ConvertNow verifies them automatically.

1

Enter your sending domain

Go to Settings → Sending Domains in ConvertNow and add the domain you want to send from. This can be your root domain (company.com) or a subdomain (mail.company.com).

2

Copy the DNS records

ConvertNow generates the exact DKIM, SPF, DMARC, and return path records you need to add. Each record shows exactly what to enter at your domain registrar: Cloudflare, GoDaddy, Namecheap, or any other registrar.

3

Add the records at your registrar

Log in to your domain registrar's DNS management panel and add the records ConvertNow provided. DNS propagation typically takes a few minutes to a few hours.

4

Verification is automatic

ConvertNow checks for your DNS records automatically. Once all four records are verified, your domain is authenticated and you can start sending. A green verified badge confirms everything is working.

Frequently asked questions

Do I have to set up a custom domain to use ConvertNow?

No, but it is strongly recommended. Sending from your own authenticated domain builds trust with inbox providers and significantly improves deliverability compared to a shared default sending address.

How long does domain verification take?

Setup itself takes under 10 minutes. DNS propagation for the records you add at your registrar typically takes a few minutes, though it can take up to 48 hours in rare cases. ConvertNow checks and verifies automatically once the records are live.

What DNS records do I need to add?

Four records: DKIM for cryptographic signing, SPF listing authorised sending servers, DMARC for handling failed authentication, and a return path for bounce processing. ConvertNow generates the exact values for you to paste into your registrar.

Can I use a subdomain instead of my root domain?

Yes. You can authenticate a root domain like yourcompany.com or a subdomain like mail.yourcompany.com, whichever fits your setup.

Does custom domain setup cost extra?

No. Custom sending domains, including full DKIM, SPF, DMARC, and return path authentication, are included on every ConvertNow plan at no extra charge.

Add your custom domain today

Custom sending domains are free on every ConvertNow plan. No credit card required.

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