Can't receive invitation and notification mails from Zoho Support. Need Public IP details to add in customer's mail server

Can't receive invitation and notification mails from Zoho Support. Need Public IP details to add in customer's mail server

Customers need to allow the following IPs in their firewalls or in SPF records to allow invitations/notiification mails from Zoho Support to reach their servers

SMTP server public IPs:

1. 72.5.230.66 
2. 72.5.230.67

ZOHO public IP:
1. 72.5.230.103