DB

ID name email
1  jane test@test.com
2  tom  tom@tom.com

##</code><code>##

my $msg = "Hello 'name' welcome to earth";

my $query = $dbh->prepare("SELECT DISTINCT email FROM users");
$query->execute();
my $records = $query->fetchall_arrayref;

my @to;
for my $em ( @$records ) {
    push @to, @$em;
}


for my $recipient(@to) {
    mail($recipient);
}

sub mail {
  my $recipient = shift;

my $smtpserver = 'smtp.dddd.com';
my $smtpport = 587;
my $smtpuser   = '';
my $smtppassword = '';


my $transport = Email::Sender::Transport::SMTP->new({
  host => $smtpserver,
  ssl  => 'starttls',
  port => $smtpport,
  sasl_username => $smtpuser,
  sasl_password => $smtppassword,
});

my $email = Email::Simple->create(
  header => [
    To      => $recipient,
    From    => 'dddd@ddd.com',
    Subject => $sub,
	'Content-Type' => 'text/html', 
  ],
  body => $msg,
);

sendmail($email, { transport => $transport });

my $Response = "Success!";
}