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I can no longer send messages from Thunderbird; I've restarted Thunderbird and my Mac to no avail. Do I need to re-install Thunderbird?

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caroljs
caroljs

Thunderbird still picks up my incoming mail just fine. I've compared my account setting with my husband's, who shares this email address (on his PC), and we can't find a discrepancy.

Thunderbird still picks up my incoming mail just fine. I've compared my account setting with my husband's, who shares this email address (on his PC), and we can't find a discrepancy.

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christ1
christ1
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https://support.mozilla.org/en-US/kb/cannot-send-messages