Create Force Hybrid Mail Flow Rule

Organizations that leverage on-prem in addition to Exchange Online may need to create an additional mail flow rule to direct email traffic to those specific servers after routing to Templafy Email Signature Server.

Create the Mail Flow Rule

• Navigate to https://admin.exchange.microsoft.com/.
• Go to Mail flow, then Rules.
• Click Add a rule, then Create a new rule.
  
  1. Name: force hybrid.

  2. Under the Apply this rule if section:

     • Click the Select one dropdown and choose: The message headers....
     • Click the next Select one and choose: includes any of these words/matches these text patterns.
       • Click the first Enter textand set the header name toTemplafy-EmailSignatureServer-Processed.
       • Click Save.
       • Click the second Enter text and set the value to true.
       • Click Save.

  3. Under the Do the following section.

     • Click the Select one dropdown and select: Redirect the message to.
     • Click the next Select one and select: the following connector.
       • Select your organization's specific on-prem connector from the list.

       • Click Save. 

  4. Under the Except if section.
     
     • Click the Select one dropdown and choose: The message headers....
     • Click the next Select one and choose: includes any of these words/matches these text patterns.
       • Click the first Enter text and set the header name to X-Hybrid-Processed.
       • Click Save.
       • Click the second Enter text and set the value to true.
       • Click Save.
• Click Next.
  • Enable the checkbox for Stop processing more rules.

• • Click Next.

• Click Finish followed by Done once the rule saves.

Activate the Mail Flow Rule

• Click on the newly created rule and select Edit rule settings.
• Set the Priority to one position below the Templafy Email Signature Server rule, click Save and Done once the rule saves.
• Click back into the rule and select the toggle to enable the rule. Do not close the pane until the rule finishes saving.