> Assuming that you are indeed typing your username and password correctly,< No doubts about that!
> it's possible that the problem is that yahoo won't let you sign in with cookies disabled in Icedove.<
That's a possibility I hadn't thought about.> Try temporarily enabling cookies in Icedove's privacy/security settings and see if you can sign in.<
I'll let you know how the pudding tasted after having followed your recipe. Thank you very much!