On Wed, Mar 11, 2020 at 08:20:23AM +0100, Tamas Papp wrote:
Socket error: secure connect to imap.ihs.ac.at (78.104.140.30:143): error:1425F102:SSL routines:ssl_choose_client_version:unsupported protocol

my guess would be that the server supports only old (insecure) ssl versions. given that mbsync's default allows everything from tls 1.0 ("ssl 4") upwards, it could well be that the server requires ssl 3, which is not even compiled into openssl default builds any more.

or maybe you played with the SSLVersions option and forgot about it?


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