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upgrade to 91.5.0 created a problem

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  • Last reply by see3ducks

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My Linux Mint 19 (64bit) upgraded my Thunderbird to version 91.5.0 (64bit) and now I can't pop nor send email. How do I get my old version that worked back?

My Linux Mint 19 (64bit) upgraded my Thunderbird to version 91.5.0 (64bit) and now I can't pop nor send email. How do I get my old version that worked back?

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[SOLVED] My ISP was the problem.