我刚刚给你发了封邮件.翻译成英文

I sent out an email to you jsut now

I just sent you a mail.

I just send an E-mail to you for a few minutes.

I had send you a email one moment ago

I just sent to you have sealed the mail

I sent an e-mail to you just now.

I have just sent you an e-mail.
或： I have just sent an e-mail to you.

I have just sent you a mail
要用完成时

I've just sent an E-mail to you.

I just gave you deliver to seal mail

I just send a email to you .

这是一个突出收信人有没有收到信的语句,表明动作对现状的影响,所以用现在完成时:
I'v just sent you an E-mail. 或 I've just sent an E-mailto you.

I just sent you a E-MAIL

I sent you an E-mail just now

I sent you an E-mail just now.

i just gave you deliver to seal mail