Log in to the Admin Console
Go to admin.google.com
Use a super admin account.
Navigate to Gmail Settings
Click: Apps → Google Workspace → Gmail → Spam, phishing, and malware.
Whitelist the IP
Scroll to Email whitelist.
Click Configure or Edit.
Add the IP: 143.244.83.135
Click Save.
Bypass Spam Filters for Specific Domains
Under Spam, click Configure next to “Bypass spam filters…”.
Create a Domain Allow List
In the popup window, next to Bypass spam filters for messages from senders or domains in selected lists, click Create or edit list.
A new window opens.
Add Allowed Domains
Click Add address list.
Name it: Telgea Whitelisted domain.
Click Add address.
Add telgea.com, then click Add address again and add telgea.co.
Click Save.
Apply the List
Back in the previous window, choose Use existing list and select the one you just made.
Give this rule a title at the top (e.g., Bypass spam for Telgea).
Click Save.