Configuring BIMI for Your Axigen WebMail: A Step-by-Step Guide

Brand Indicators for Message Identification (BIMI) provides a mechanism for mail senders to publish a validated logotype that mail receivers can display alongside the sender’s messages. This enhances brand visibility and authenticity while fostering trust with recipients.

To enable the BIMI functionality in your Axigen WebMail, follow the steps below to configure the necessary prerequisites and settings.

• Prerequisites
• Step 1: Remove Pre-existing BIMI Headers
• Step 2: Configure BIMI Checks
• Step 3: Verifying the Configuration
  • Processing Logs
  • Message Headers
• Step 4: Testing BIMI Logos in WebMail
• Additional Resources

Prerequisites

Before enabling BIMI, ensure the following:

1. SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail) authentication mechanisms are active.

   • Refer to:

     • SPF (Sender Policy Framework)

     • DomainKeys & DKIM

2. DMARC is configured via OpenDMARC integration using Milter.

   • Detailed instructions are available at: Stop Email Spoofing - OpenDMARC Integration

Step 1: Remove Pre-existing BIMI Headers

To ensure BIMI headers are processed correctly, first, create a rule to remove any pre-existing BIMI headers from incoming messages.

1. Navigate to Security & Filtering → Acceptance & Routing → Advanced Settings → Add Acceptance / Routing Rule.

2. Set the conditions to Match any email message.

3. Add the following actions:

   • Remove header → Custom → BIMI-Indicator

   • Remove header → Custom → BIMI-Location

Step 2: Configure BIMI Checks

Add a rule to perform BIMI validation for authenticated emails.

1. Navigate to Security & Filtering → Acceptance & Routing → Advanced Settings → Add Acceptance / Routing Rule.

2. Set the conditions to Match any email message.

3. Add the following action:

   • Check BIMI

Step 3: Verifying the Configuration

After completing the above steps, verify the configuration using Axigen’s processing logs and message headers.

Processing Logs

For a sender domain without BIMI:

For a sender domain with BIMI enabled:

For a sender domain where BIMI validation fails:

Message Headers

Without BIMI or failed validation:

With successful BIMI validation:

Step 4: Testing BIMI Logos in WebMail

You can test whether BIMI logos are displayed correctly in Axigen WebMail using the following resource:

• BIMI Inspector - BIMI Group

Additional Resources

For more information on BIMI and related specifications:

• BIMI Overview - IETF Draft

• BIMI Inspector