Internet Explorer 6, 7 and 8
Firefox versions 2 and 3
Safari 3 on Mac OS X 10.4 Tiger and Mac OS X 10.5 Leopard
Safari on Apple iPhone
To use the secured access to the Kerio WebMail interface (by HTTPS protocol), the browser must support SSL encryption. If it can be configured (e.g. in Internet Explorer), it is recommend to enable support for SSL 3.0 and TLS 1.0 versions.