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Getting a Security Certificate Error in Thunderbird

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I am not a technical person, so none of this makes any sense, and any responses should reflect my total ignorance.

When I try to send anything on Thunderbird I get weird errors.

See the screenshot for details.

What should I do?

Thanks. Michael

I am not a technical person, so none of this makes any sense, and any responses should reflect my total ignorance. When I try to send anything on Thunderbird I get weird errors. See the screenshot for details. What should I do? Thanks. Michael

All Replies (2)

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Here is another screenshot. Why is posting a screenshot taking so long?

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