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Hi, for those who have adopted ECDSA, Are there still any commonly used IMAPS/POP3S clients that still can not handle ECDSA certificates? I know you can set up Dovecot dor dual cert, I am just trying to determine if there still is a real world need to.

...; handle ECDSA certificates? >> >> I know you can set up Dovecot dor dual cert, I am just trying to >> determine if there still is a real world need to. > > Nearly every client can handle ECDSA, but it depends on the size of the > certificate. > I used years ago ECDSA-384bit certificates, which covered most of the > clients. It came to the point to disable RSA in that time, but than came > Android7.0. This Version can only handle ECDSA-256bit certificates or RSA. > > The coverage of Android7.0 is still over 20%. Google reacted fast and > repaired this b...

On 1/18/2015 12:45 AM, Robert Schetterer wrote: > Am 16.01.2015 um 12:24 schrieb Oliver Welter: >> Hi Folks, >> >> after adding TLSv1.2 to by TLS options a lot of Outlook users complaint >> about connection errors, openssl s_client and Thunderbird works fine. >> >> I found some posts about this but none of them had a real solution on >> this - I