Cannot log in to email when VPN turned on

Norton VPN for Windows
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Note: Please do not post Personally Identifiable Information like email address, personal phone number, physical home address, product key etc.

When VPN turned on Outlook cannot log in to my isp’s e-mail account, it can log in to Gmail account.

Product & version number:24.11.9615 (build 24.11.9615.887)

OS details: Windows 10 Pro. 24.11.9615 (build 24.11.9615.887)

When the VPN is turned on Outlook cannot log into my ISP’s e-mail server. I turn the VPN off and I can log in. There is no issue with Outlook accessing Gmail’s servers. My ISP is Comcast.

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See the information in this Norton Support article for help with email and VPN issues. https://support.norton.com/sp/en/us/home/current/solutions/v131881814