To prevent e-mail messages from being flagged as spam, please configure your email client to trust all senders ending in: 


  • corpgroup.site
  • mail.corpgoup.site
  • @corpgroup.site
  • @mail.corpgoup.site
  • <your_accountant_email_address_or_domain>


Telenet Webmail


  1. Log in to your Telenet webmail (https://mail.telenet.be/mail) and select Settings.
  2. Navigate to Trusted addresses.
  3. Add the above domains and your accountant's full email address to the list.
  4. Click Save to confirm your changes.