Well I'm not clive, calif Jim, Mr P or MM but I hope I'll do. Yes, to an extent MarkLondon is right, in that these are not often used in e-mails etc and that formal letters are becoming rarer. However he does admit that these forms are still

Hi Crys, I suspect opinions vary on this, but if I am writing a formal letter through e-mail then I follow all the same protocols as I normally would. Actually, I go one step further. I write my message in MS Word, then change it into PDF