How Email Forwarding Works with Forward Email: The Ultimate Guide

Foreword

Email forwarding lets business owners create professional addresses on a custom domain, lets privacy-conscious people protect their primary email, and gives developers flexible email management.

At Forward Email, we've built the world's most secure, private, and flexible email forwarding service. This guide explains how email forwarding works (technically and in practice), covers our setup process, and compares our service with competitors.

What is Email Forwarding

Email forwarding is a process that automatically redirects emails sent to one email address to another destination address. For example, when someone sends an email to contact@yourdomain.com, that message can be automatically forwarded to your personal Gmail, Outlook, or any other email account.

Forwarding offers these benefits:

  • Professional Branding: Use email addresses with your custom domain (you@yourdomain.com) while managing everything from your existing personal inbox
  • Privacy Protection: Create disposable or purpose-specific addresses that shield your primary email
  • Simplified Management: Consolidate multiple email addresses into a single inbox
  • Flexibility: Create unlimited addresses for different purposes without managing multiple accounts

How Email Forwarding Works: The Technical Explanation

Here is what happens behind the scenes when our servers forward an email.

The Email Forwarding Process

  1. DNS Configuration: The process begins with your domain's DNS records. When you set up email forwarding, you configure MX (Mail Exchange) records that tell the internet where emails for your domain should be delivered. These records point to our email servers.

  2. Email Reception: When someone sends an email to your custom domain address (e.g., you@yourdomain.com), their email server looks up your domain's MX records and delivers the message to our servers.

  3. Processing and Authentication: Our servers receive the email and then:

    • Verify the sender's authenticity using protocols like SPF, DKIM, and DMARC
    • Scan for malicious content
    • Check the recipient against your forwarding rules

  4. Sender Rewriting: We implement Sender Rewriting Scheme (SRS) to modify the return path of the email. Many email providers reject forwarded emails without proper SRS implementation, as they can appear to be spoofed.

  5. Forwarding: The email is then sent to your destination address with the original content intact.

  6. Delivery: The email arrives in your inbox, appearing as if it was sent to your forwarding address, maintaining the professional appearance of your custom domain.

The Role of SRS (Sender Rewriting Scheme)

Reliable email forwarding depends on SRS. When we forward an email, we rewrite the sender's address so the email passes SPF checks at the final destination.

Without SRS, forwarded emails often fail SPF verification and get marked as spam or rejected entirely. Our implementation of SRS ensures your forwarded emails are delivered reliably while maintaining the original sender information in a way that's transparent to you.

How Email Forwarding Works: The Simple Explanation

If the technical details seem overwhelming, think of email forwarding like mail forwarding for physical mail. When you move to a new home, you can ask the postal service to forward all mail from your old address to your new one. Email forwarding works similarly, but for digital messages.

With Forward Email:

  1. You tell us which email addresses on your domain you want to set up (like sales@yourdomain.com or contact@yourdomain.com)
  2. You tell us where you want those emails delivered (like your Gmail or Outlook account)
  3. We handle all the technical details to make sure emails sent to your custom addresses arrive safely in your specified inbox

You get to use professional email addresses without changing your existing email workflow.

Setting Up Email Forwarding with Forward Email

Setting up Forward Email takes four steps:

1. Sign Up for an Account

Visit forwardemail.studio and create a free account. Our signup process takes less than a minute.

2. Add Your Domain

Once logged in, add the domain you want to use for email forwarding. If you don't already own a domain, you'll need to purchase one from a domain registrar first.

3. Configure DNS Records

We'll provide you with the exact DNS records you need to add to your domain. Typically, this involves:

  • Adding MX records that point to our email servers
  • Adding TXT records for verification and security

Most domain registrars have a simple interface for adding these records. We provide detailed guides for all major domain registrars.

4. Create Email Forwards

After your DNS records are verified (which usually takes a few minutes), you can create email forwards. Specify:

  • The email address on your domain (e.g., contact@yourdomain.com)
  • The destination where you want emails sent (e.g., your personal Gmail address)

5. Start Using Your New Email Addresses

Emails sent to your custom domain addresses now go to your specified destination. You can create as many forwards as you need, including catch-all addresses that forward all emails sent to any address on your domain.

Advanced Features of Forward Email

Forward Email also offers these advanced features:

Disposable Addresses

Create specific or anonymous email addresses that forward to your main account. You can assign labels to these addresses and enable or disable them at any time to keep your inbox organized. Your actual email address is never exposed.

Multiple Recipients and Wildcards

Forward a single address to multiple recipients, making it easy to share information with a team. You can also use wildcard addresses (catch-all forwarding) to receive emails sent to any address on your domain.

"Send Mail As" Integration

You don't have to leave your inbox to send emails from your custom domain. Send and reply to messages as if they're from you@yourdomain.com directly from your Gmail or Outlook account.

Quantum-Resistant Security

We're the world's first and only email service to use quantum-resistant encryption, protecting your communications against future quantum computing threats.

Individually Encrypted SQLite Mailboxes

Unlike other providers that store all user emails in shared databases, we use individually encrypted SQLite mailboxes for each user.

Why Choose Forward Email Over Competitors

Forward Email differs from other email forwarding services in these ways:

1. 100% Open-Source

We're the only email forwarding service that is completely open-source, including our backend code. Anyone can inspect it, and independent security audits are possible. Other services may claim to be open-source but don't release their backend code.

2. Privacy-Focused

We created this service because you have a right to privacy. We use TLS encryption, do not store SMTP logs (except for errors and outbound SMTP), and do not write your emails to disk storage.

3. No Third-Party Reliance

Unlike competitors who rely on Amazon SES or other third-party services, we maintain complete control over our infrastructure, which improves both reliability and privacy.

4. Cost-Effective Pricing

Our pricing model allows you to scale cost-effectively. We don't charge per user, and you can pay as you go for storage. At $3/month, we offer more features at a lower price than competitors like Gandi ($3.99/month).

5. Unlimited Resources

We don't impose artificial limits on domains, aliases, or email addresses like many competitors do.

6. Trusted by Major Organizations

Our service is used by over 1.6+ million domains, including notable organizations like The U.S. Naval Academy, Netflix, The Linux Foundation, Canonical/Ubuntu, Disney Ad Sales, and many others.

Common Use Cases for Email Forwarding

Email forwarding helps different types of users:

For Businesses

  • Create professional email addresses for different departments (sales@, support@, info@)
  • Manage team email communications
  • Maintain brand consistency in all communications
  • Simplify email management during staff changes

For Developers

  • Set up automated notification systems
  • Create purpose-specific addresses for different projects
  • Integrate with webhooks for advanced automation
  • Use our API for custom implementations

For Privacy-Conscious Individuals

  • Create separate email addresses for different services to track who shares your information
  • Use disposable addresses for one-time signups
  • Maintain privacy by shielding your primary email address
  • Disable addresses that start receiving spam

Best Practices for Email Forwarding

To get the most out of email forwarding, consider these best practices:

1. Use Descriptive Addresses

Create email addresses that clearly indicate their purpose (e.g., newsletter@yourdomain.com, shopping@yourdomain.com) to help organize your incoming mail.

2. Implement Proper Authentication

Ensure your domain has proper SPF, DKIM, and DMARC records to maximize deliverability. Forward Email makes this easy with our guided setup.

3. Regularly Review Your Forwards

Periodically audit your email forwards to disable any that are no longer needed or are receiving excessive spam.

4. Set Up "Send Mail As" for Seamless Replies

Configure your main email client to send mail as your custom domain addresses for a consistent experience when replying to forwarded emails.

5. Use Catch-All Addresses Cautiously

While catch-all addresses are convenient, they can potentially receive more spam. Consider creating specific forwards for important communications.

Conclusion

Email forwarding gives you professional addresses, privacy, and a single inbox. Forward Email is the most secure, private, and flexible email forwarding service available.

As the only 100% open-source provider with quantum-resistant encryption and a focus on privacy, we've built a service that respects your rights.

Use Forward Email to create professional email addresses for your business, protect your privacy with disposable addresses, or manage multiple email accounts from one place.

Sign up for free today and join over 1.6+ million domains already using our service.

This blog post was written by the Forward Email team, creators of the world's most secure, private, and flexible email forwarding service. Visit forwardemail.studio to learn more about our service and start forwarding emails with confidence.