Can't add older database remote server

Hello,

if we try to add an older mySQL database server with a user 'plesk' with only TLS 1.1 support (MySQL 5.7.17) we get a either:

ERROR 2026 (HY000): TLS/SSL error: unsupported protocol

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(user not forced to use TLS)

or

SQLSTATE[HY000] [1045] Access denied for user 'plesk'@'...' (using password: YES)

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(user forced to use TLS)

The second error doesn't mean credentials are wrong but somehow client credentials encryption isn't compatible with server implementation.

If we disable...

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