Should i sent you a mail vs can i sent you an email

Some examples from the web:

• I sent you a mail, copied to the whole world.
• I sent you an e-mail, but your girlfriend answered.
• I sent you an e-mail with the specifics.
• I sent you three e-mails today.
• I sent you the e-mail last night.
• I sent you encrypted e-mails of the museum's schematics.
• I sent you an e-mail with the complete list.
• Yes, I sent you an e-mail a few days ago.
• I sent you an e-mail with my new screening criteria for my clinical trial.
• Dad, I sent you an e-mail.
• Collection to dump sent mail into.
• Did you get that birthday e-mail I sent you?
• I sent an e-mail to hart and rachel confessing my lie.
• I sent those e-mails so the staffers would tighten up security.
• I sent an e-mail explaining the situation.
• Critical error: Unable to process sent mail (out of space?)Moving failing message to "sent-mail" folder.
• Invalid sent-mail folder. Keeping message in outbox.
• We have the e-mail she sent you by mistake.
• And he sent you an e-mail about a week ago.
• - McGee sent you an e-mail.

Some examples from the web:

• - I sent you an email.
• You should know I sent you an email.
• I sent you an email, Dr. Rosen.
• I sent him an email pretending to be krista.
• I sent an email so long and indigestible
• I sent an email with a virus promising 40% off any purchase at Bloomingdales.
• I sent the board an email petition.
• Look, when I sent you those emails...
• Looks like Phoenix sent you an email.
• I sent you an email late saturday night with a subject heading, "answer A.S.A.P."
• So I sent her an email, inviting her to mini golf.
• I sent her an email making it very clear she was fired.
• I sent an email out to everybody at the school about the cat, and a family already got back to me and wants it.
• I sent you a few emails, and...
• I sent your mother an email saying,
• So I sent emails to all the section managers, - summoning them to a meeting the next day.
• He sent an email to everyone in his address book.
• You sent an email last night.
• Admissions sent an email confirmation, and it's just orientation.
• Mr. Possibilities just sent an email, ten minutes ago.