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LeadConnector for email & SMS

Configure Lead Connector for email and SMS through High Level.

Last updated on 09 Feb, 2026

Resources

A2P Registration Cheat Sheet

A2P 10DLC Campaign Approval Best Practices

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Step 1: Access Settings

In your High Level sub account, navigate to the left-hand menu and click on Settings.

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Step 2: Email Services

In the Business Services section, select Email Services to view configuration options.

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Step 3: Understand Dedicated Domain

Read the message about setting up a dedicated sending domain for better email deliverability.

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Step 4: Default SMTP Setup

Ensure that Lead Connector is selected as your default SMTP service for ease of use.

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Step 5: Add Dedicated Domain

Click on Dedicated Domain and IP, then click Add Domain to start the setup process.

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Step 6: Create Subdomain

Input a subdomain, for example, mg.examplesmartdirectory.com, and click Add and Verify.

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Step 7: Domain Registrar Access

If automatic setup doesn't succeed, access your domain registrar to manually configure DNS records.

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Step 8: Add Required Records

In your domain registrar, add two text records, a CNAME record, and two MX records as instructed.

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Step 9: Configure MX Records

For MX records, set the priority to 10 when adding them in your registrar's settings.

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Step 10: Verify Records

After adding all records, click Verify Records in High Level to check setup success.

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Step 11: Add A2P Approved Phone Number

Navigate to Phone Numbers, click Add a Number, and purchase a phone number for SMS.

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Step 12: A2P Approval Note

Understand that A2P approval is mandatory for SMS. Follow the required steps to obtain approval.

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Step 13: Alternative Contact Methods

If you can't get A2P approval, consider using email or other communication methods like WhatsApp.

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Troubleshooting

Domain not verified.
Ensure all required DNS records, including the DMARC record, are added correctly.

FAQ

What is a dedicated sending domain?
It is a domain used solely for sending emails to improve deliverability.
How do I get A2P approval?
Follow the legal requirements and submit necessary information to the relevant authorities.
Can I use other messaging services?
Yes, alternatives like WhatsApp or Facebook Messenger can be used if SMS is unavailable.

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