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I have an old (original) iPad mini running iOS 9.3.5 (the latest it will support).

Until mid 2018 this was my main device, now superseded.

I recently tried to use it and some of my mail accounts do not work. My hosting company has changed the mail servers, but even though I updated these I cannot get Mail to work, although it works on my newer iPad.

The problem seems to be that SSL will not work, although it does on my newer iPad running latest iPadOS.

If I turn SSL off it works!

I have created an email account on vivaldi.net which seems to work OK with SSL.

Is there any reason SSL won't work on the older model?
Are there any certificates etc that should be updated?

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  • During the last years old SSL/TLS versions have been disabled. A typical modern server has SSLv3. TLS1.0 and TLS1.1 disabled. Only TLS1.2 and TLS1.3 are supported. AFAIK iOS 9 should support TLS1.2 but it may start the handshake using the old SSLv3 request which was in the past used for compatibility reasons but now no longer works because SSLv3 is completely disabled on server side. I don't know if it is possible to force Mail to use TLS handshake. Another problem may be caused by the used cipher suites if server and client have no cipher suite in common the connection will fail. – Robert Aug 23 '20 at 13:30

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