On dinsdag 9 juli 2019 21:45:13 CEST Diego Russo wrote: > With Debian Buster akonadi does not work anymore with aruba imap server, My guess is that it is caused by the default configuration of OpenSSL 1.1, which requires TLS 1.2 iirc. If that aruba imap server is using old software that doesn't support that version, then it won't be able to connect. I ran into a seemingly similar situation when OpenSSL 1.1 entered Sid, but I can't remember if/where I wrote things down wrt this and/or reported it. But you can change the config of OpenSSL to allow lower TLS versions to work. Better would be to urge that mail provider to upgrade their mail software as TLS < 1.2 really isn't secure. Hopefully this gives you enough hints to search for the actual solution.
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