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After migrating my Thunderbird profile from Windows 7 to Windows 10, encrypted sending and receiving is no longer possible.

Posted

I use Thunderbird version 60.7.2 32bit on both machines with POP3 mailboxes.

I use Thunderbird version 60.7.2 32bit on both machines with POP3 mailboxes.

Chosen solution

Hello sfhowes and thanks for your support. GDATA's AV was the Problem. The certificates had to be supplemented. Now everything works fine.

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Additional System Details

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:67.0) Gecko/20100101 Firefox/67.0

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sfhowes
  • Top 10 Contributor
1492 solutions 7062 answers

Helpful Reply

Does the W10 computer have a security/AV program scanning SSL (secure) connections?

Does the W10 computer have a security/AV program scanning SSL (secure) connections?
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Chosen Solution

Hello sfhowes and thanks for your support. GDATA's AV was the Problem. The certificates had to be supplemented. Now everything works fine.

Hello sfhowes and thanks for your support. GDATA's AV was the Problem. The certificates had to be supplemented. Now everything works fine.
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