You can also watch the stages detailed in the document via the video below.

This document provides step-by-step instructions for adding an internal domain associated with your Office 365 tenant in the SIGNandGO admin panel, ensuring proper configuration and successful registration.

Step 1: Update SPF Record

• Check your existing SPF record using MX Toolbox.
• Enter your domain name and select the SPF Record Lookup option.

Step 2: Modify SPF Record

• Ensure your SPF record includes the include:spf.protection.signandgo.io
• Add this value to your existing SPF record.

Step 3: Register Domain

• After updating the SPF record, register the domain through your domain management platform.

Step 4: Access Exchange Admin Centre

• Log into the Exchange Admin Centre.
• Navigate to the Mailflow section.

Step 5: Edit Exchange Rule

• Select the Rules option.
• Choose the 'SIGNandGO Prod' rule and edit the rule conditions.

Step 6: Add Domain to Rule Conditions

• In the rule details, go to Conditions and find the 'Apply this Rule IF' step.
• Add the option 'address matches any of these text patterns'.

Step 7: Input Domain Address

• Click the pencil icon to add a new domain.
• Ensure the domain addresses comply with the regular expression format.

Step 8: Save Rule Changes

• Add the specified domain and save the changes.
• Save the rule settings.

Step 9: Add Domain in Admin Panel

• Log into the SIGNandGO admin panel.
• Click on settings and select internal domains.

Step 10: Finalize Domain Addition

• In the opened window, add the new domain extension.
• Click the save icon to add it to the list.

Cautionary Notes

• Ensure that all domain names added comply with the required formats and regular expressions.
• Double-check the SPF record for accuracy before saving changes.

Tips for Efficiency

• Use MX Toolbox for quick SPF record checks to avoid manual errors.