grammar n wording correction...

[hampeh]

i want to email to someone...my old friends. is it correct or not my wording n grammar as below. i'm really appreciate if any of u be able to rectify it.. thanks. anything else i need to add...coz this is 1st time i'll sent an email to her

hi,

I got this mail address from your blog after google for certain information. N I just wanna say keep up the good work for it.
Seems like I know u somewhere before. Since u r say that u r working in ibm. Hv u ever stay in california before this
regards,

ur old fren

[Anglika]

The first thing is to forget texting and start writing English.

hi,

I got this mail address from your blog after googling for certain information. I just want to say keep up the good work for it [for what? delete.].
Seems like I knew you somewhere before. Since you say that you are working in IBM. Have you ever lived in California before this?
regards,

your old friend

The second thing that strikes me is that you don't really seem sure if you know this person or not.