That is not an SSL connection-- if it were, the port number would be prefixed with a "+"

(15:19:03) * Connecting to (+6667)

The connection abort is likely being caused by an abrupt disconnection because youre not using SSL to connect to an SSL server.

Try /server +8899 or /server -e 8899

- argv[0] on EFnet #mIRC
- "Life is a pointer to an integer without a cast"