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How to configure Sigsync connectors?

Connectors function as a bridge between the sender and receiver. Connector Configuration creates an outbound and inbound Exchange Online connector for the user's tenant to route the flow of emails through the Sigsync service. Connectors Configuration is necessary when adding Office 365 email signatures and disclaimers in the server side mode. However, the client side mode of adding signatures does not require the configuration of the connectors as the email signatures are added on the fly while composing.

Sigsync uses Microsoft OAuth 2.0 and TLS encryption for authentication. It will never ask the user's credentials and it redirects to Microsoft sign in page for authentication. No user's Office 365 credentials will be stored on Sigsync or any other third-party servers. Know More...

Steps to setup connectors configuration

You can configure connectors for your account only if you have added a tenant. If you have not added a tenant already, follow the steps in the Add Tenant page.

Step 1: Login to Sigsync Dashboard,  click the 'Manage Signature' link under 'Manage'column in the dashboard.

Configure connector pending

Step 2: Click the 'Configure Connectors' button under 'Server side signatures' to proceed with the Connectors Configuration Wizard as highlighted in the screenshot below.

Click on configure connector

Step 3: In the Connectors Configuration Wizard, once you are done reading the instructions provided and ready to proceed, click 'Next'.

Configuration Connector wizard

Step 4: A one-time use authorization code will be generated. Copy the 'Code' provided and click 'Authorize' to open a Microsoft Sign in page.

Configuration wizard authorize

Enter the copied code in the space provided and sign in as a global admin of your Office 365 tenant. On successful sign in, close the sign-in page and return to Sigsync Dashboard. You will be automatically taken to the next step.

Enter the code

Authorization is required to create connectors and rules automatically. Sigsync uses secure OAuth 2.0 authentication. Your credentials are not used or stored anywhere.

Step 5: Sigsync provides options to select signatures to a specific group(s) or to all the users.

This is helpful in avoiding excessive usage of license. That is, Sigsync will consume one license for each user’s emails that are processed through Sigsync service. You can use this option and set signatures to the required groups to limit the license usage as per your requirement.

Enable email signature to all the groups / users: Select this option to enable signatures to all the users in your Active Directory.


Enable email signature to specific groups (only 'mail enabled groups' are supported): By selecting this option, you will be displayed with the groups that are available in your Active Directory. Select the required group to enable signatures to its members. You can also select multiple groups.

Note: To Add or Remove groups in future, you can reconfigure the connectors and select the required groups.


If you want signatures to be added to internal mails as well as external emails, then choose the checkbox 'Apply signatures to the email sent between the users of this tenant as well'.
If you want to apply the signature to only external mails, then uncheck the 'Apply signatures to the email sent between the users of this tenant as well'.


Step 6: Now, click the 'Configure' button to start the setup process. It will create Outbound, Inbound connectors and Rule to reroute email through Sigsync servers for users selected in the sender’s scope.

Configure wizard connectors

Wait for a few minutes and the process will complete. That’s it! Your Connectors Configuration is completed.

Configuration successful

Sigsync service allows users to setup connectors configuration multiple times without any hassle. Refer remove configuration to temporarily pause Sigsync service or to remove Sigsync completely.

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