[Possible phishing attempt] Re: ssh while ssh-agent is running

[Sam Darwin]

>  I set IdentitiesOnly yes as the global default in ~/.ssh/config, and
explicitly set the preferred key separately for groups of hosts.

Ok, that sounds like a good idea! I have generally been using ssh-agent for
"everything". And it nearly works fine. Except for the occasional server
which has yet another ssh key, not managed in the agent.