Domain Verification

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Verify your sending and tracking domains through the SendClean interface to improve sender reputation and inbox delivery.

Verification overview

DKIM Verification

Add a DKIM TXT record so receiving mail servers can verify that your emails are sent from your domain.

SPF Records

Add or update an SPF TXT record to authorize SendClean to send email on behalf of your domain.

Tracking Domain Setup

Add a CNAME record for tracking email opens and link clicks.

Sending Defaults Configuration

Configure verified domains as your sending defaults in SendClean.

DKIM Verification

DKIM (DomainKeys Identified Mail) authentication helps receiving mail servers verify that your emails are sent from your domain.

Steps to Set Up DKIM

  1. Go to Domain Settings in your SendClean account.
  2. Add your domain name.
  3. Send a verification email to confirm domain ownership.
  4. Go to DKIM Settings to obtain the required TXT record values.
  5. Create a TXT record in your DNS with the following settings:
FieldValue
Record TypeTXT
Hostnamesctrans._domainkey
TTL3600 or blank
Value(obtain from DKIM Settings in your SendClean account)

Allow up to 24 hours for your DNS changes to propagate globally.


SPF Records

SPF (Sender Policy Framework) records tell receiving mail servers which IP addresses are authorized to send email on behalf of your domain.

Steps to Set Up SPF

  1. Check whether your domain already has an SPF record. Existing SPF records begin with v=spf1.
  2. If no SPF record exists, create a new TXT record with the following settings:
FieldValue
Record TypeTXT
Name / Hostname@ or blank
TTL3600 or blank
Value(obtain from View SPF Settings in your SendClean account)
  1. If an SPF record already exists, add the SendClean include value to it rather than creating a new record.

Multiple SPF records on the same domain can cause authentication failures. Update the existing SPF record instead of creating a second one.

Verifying Your SPF Record

You can verify your SPF record using MXToolBox:

  1. Go to mxtoolbox.com.
  2. Enter your domain name.
  3. Select SPF Record Lookup from the dropdown menu.
  4. Review the results to confirm your SPF record is correctly configured.

Tracking Domain Setup

A tracking domain is used to track email opens and link clicks. You set it up using a CNAME DNS record.

Steps to Set Up a Tracking Domain

  1. Go to Tracking Domain Settings in your SendClean account and click View Track Settings to obtain the required CNAME value.
  2. Create a CNAME record in your DNS with the following settings:
FieldValue
Hostnamedelivery
Record TypeCNAME
Value(obtain from View Track Settings in your SendClean account)

Sending Defaults Configuration

After verifying your domains, configure your sending defaults in SendClean:

  1. Go to Sending Defaults in your account settings.
  2. Set the following fields:
SettingDescription
Custom Tracking DomainYour verified tracking domain (e.g. delivery.example.com)
Custom SPF/DKIM Signing DomainYour verified sending domain for SPF/DKIM signing
Return Path DomainDomain to use as the return path (bounce address)
Custom Sending DomainYour verified sending domain
  1. Click Save to apply your settings.

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