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Somethin is wron with Mozilla Thunderbird

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Cant' send/receive emails 3 days now. Verizon tried to help me but could not fix it. Also, they were not able to come online to do a screen share. I really want to use Mozilla Thunderbird so can you help me?

Cant' send/receive emails 3 days now. Verizon tried to help me but could not fix it. Also, they were not able to come online to do a screen share. I really want to use Mozilla Thunderbird so can you help me?

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If you updated Thunderbird then it is possible that your firewall may not be recognising the updated verion.

Example: I use Norton Anti-Virus/Firewall. Sometimes, after an update, Norton still thinks it can allow only the previous version. I then have to close Thunderbird and access Norton. Settings > Network > Smart Firewall > Program Rules Locate Thunderbird and set to 'Allow' On one occassion, I have had to block, ok and then reset to Allow.

If you use another Firewall/Anti-virus program, then there will be similar settings. So check this first.