IP address of the sender. Nice tip though Even if you have got a genuine IP I can't really see how useful knowing the location of the ISP is anyway. No ISP is going to tell you which of their users was using 'x' IP address on 'x' date at 'x' time anyway. For example, if I sent you an email from where I am and you looked the IP up it would tell you I'm in Ipswich, UK. I am, however, about 40 miles from there, how useful is this? If I use outlook express as the default mail and also have access to webmail. My laptop PC is at work but I am replying my emails from another PC. Can the Administrator find out from what PC I am replying to my emails? Remember is an external PC and using an external site to check emails. Please advise. Thanks I think i'm a little late in posting my comments (the blog appeared in October & I'm posting my comment in December). The article is really interesting but you have not mentioned how to track an email received on a hotmail account. I want to track an email that I received on my hotmail account but I don't know how to do it. Someone had told me that I should go to the "options", click "message display settings" and i'll find full headers there. But i couldn't find any "message display settings", so there's no way to find full