In that case there would be a striking similarity between most of your passwords... like password = function (site)
I have... one. My main mail is for everything. I have one other which I use when I'm suspicious about giving out my main mail.
Maybe in some case but many are completely different, well some sort of organized system would be good, but having recognizable pattern obviously not, yet still better than using same emails and passwords everywhere like some(many) people use.
I have 8 e-mail account in gmail, 2 email accounts on yahoo, 1 e-mail account at my university webmail. So a total of 11 e-mail account that includes your e-mail only, to facebook, twitter, my blog and a paypal account
I have been 5 gmail a/c for last 5 years for professional use. I use Ymail for freinds &family.Had an account on Hotmail...but lost its track soon after i started using gmail.
I have 2 gmail, 2 yahoo and 1 hotmail for daily use and a big list of gmail Ids i make for link wheel