I'm wondering if it is "I have sent a mail to him" Or "I have sent mail to him"

I could not find much online. Thank you.

  • 2
    It is rather odd that although email stands for electronic mail, it doesn't obey the same "pluraility" rules as mail. We can use both singular and plural in, say, I send email / emails to him, but only the "singular as uncountable / plural noun" works with I send mail to him. Dec 14, 2018 at 16:13
  • @FumbleFingers Yes. "Email" exists both as a countable and uncountable noun, as well as verb and adjective. "Mail" is never countable, though it exists as an uncountable noun, as well as adjective form - in verb form (more often in the US than the UK). We British talk of "posting" a letter.
    – WS2
    Dec 14, 2018 at 16:32

2 Answers 2


As some of your initial comments explain, we can say:

"I've sent a package to him, a letter to her, a parcel to Fred, and a telegram to Phil."

I can even say, "I sent a piece of mail to him," but, if it's just mail, there is no indefinite article:

I have sent mail to him.

However, for some reason, email works with an article (or without, particularly if it's more than one message):

I sent him an email.

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    Even though there is no indefinite article used with mail, people do send (and deliver) the mail. Dec 15, 2018 at 4:53

"Mail" is an uncountable noun, so you must say, "I have sent him mail," not "I have sent him A mail." It's similar to saying, "I have eaten rice," instead of "I have eaten A rice." As mentioned in the previous answer, if you use the word "letter", then you not only can but must use an article. You would say either, "I have sent him a letter" or "I have sent him the letter" depending on whether your interlocutor were previously aware of the existence of this particular letter.

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