Perl in a Nutshell, 2nd Edition

Name

mail

Synopsis

$smtp->mail(address[, options])
$smtp->send(address)
send_or_mail(address)
send_and_mail(address)

Takes the sender’s address and sends the appropriate command (MAIL, SEND, SOML, or SAML) to the server to initiate the message-sending process.

mail can take some ESMTP options, passed as key/value pairs. See the Net::SMTP documentation for the details.