Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More
Open

Thunderbird will not accept my mail server's certificate.

lugh83 replied
lugh83

I am unable to download email for my Bell email accounts. For one of the two Bell accounts all messages disappeared. I get an error message saying saying the server's certificate is invalid.

I am unable to download email for my Bell email accounts. For one of the two Bell accounts all messages disappeared. I get an error message saying saying the server's certificate is invalid.

All Replies (1)

The message says "The certificate for imap.bell.net does not come from a trusted source."

Ask a question

You must log in to your account to reply to posts. Please start a new question, if you do not have an account yet.