Hi @pbuncomb,
Welcome to the community!
Thanks for raising this to us, please post the screenshot of the current email client settings.
You may also check these links for reference:
Email Settings
https://www.tpg.com.au/support/emailsetting
TPG Email Settings
https://www.tpg.com.au/support/outlook_2010.php
Regards,
I am trying to setup my tpg email account in Outlook and have received a message advising that the server identity and trust chain listed in the SSL certificate does not match the domain.
