The EmaiI Signature Web Portal - Help Center

How to update Gmail email signature

Your company has a corporate Google account (Google Workspace).
You can centrally manage Gmail email signatures.

Follow the steps below and learn how to get the signatures from Xink to Gmail.

You need to grant Xink service account access to your users’ mail settings.
Once configured, users will see the email signature when they click New Email.

Note: 'No signature' setting in Gmail will not be overwritten and will have to be changed by the user.
For more information please also read our FAQ about Google Workspace and Gmail.

Which email signature is applied in Gmail?

In Xink Signature tab, the selected Default/New signature for each user under Xink Employee tab, or the default signature assigned via Xink Signature Rules otherwise the company default/New will be applied.

How often are Gmail email signatures updated?

Xink updates the Gmail signatures within one hour.
You need to wait for at least one hour before you can see the signatures.

Which users' signatures are updated in Gmail?

Users with assigned default email signature from Xink portal will get their Gmail signature updated.
New users must be added/imported to Xink - Learn how to read users from Google Directory..

Xink only updates signatures for users who belong to the same domain as your super Admin email.
So if the Super Admin email is, it will only update email signature for users with email addresses ending with

We can split licensing across Xink accounts for companies with more than one domain.

Step 1 - Google Workspace admin console task

With the credentials used to administer your Google accounts, sign in to the Google Admin console at

  1. Go to Security > API controls

  2. Under the Domain Wide Delegation section click MANAGE DOMAIN WIDE DELEGATION.

  3. Click Add new. Copy and paste the following text into the required fields.

    Client ID Field:
    0Auth scopes (comma-delimited) Field:,

    Xink requires two Gmail API Scopes -> Learn More about Gmail API

  4. Click the "Authorize"You will now see the entry added to the list.

Step 2 - Xink Portal Task

  1.  Login to Xink portal and go to Preference > Integration > Google Workspace.
    Click Enable checkbox  and enter your Google Workspace admin account and click Save

  2. Wait for one hour and login to your Gmail account and click new email to test and see if you now have Xink signature applied. 

Learn more:

IT Pro: How to read users from Google Directory

What is verified third-party app?

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