It took me a bit to finally find code that works for this, so here's hoping this will help you out. The code will connect to an SMTP server and send a message off. Some SMTP servers require your full e-mail address, while others require only your username. Try both until it works.
sub sendmail
{
    my $smtp = Net::SMTP->new('servername',
                              Hello => 'hellodomain');

    $smtp->auth('username', 'password');
    $smtp->mail("recipient_address");
    $smtp->to('recipient_address"');

    $smtp->data();
    $smtp->datasend("To: ... \n");
    $smtp->datasend("From: ... \n");
    $smtp->datasend("Subject: ...\n");
    $smtp->datasend("\n");
    $smtp->datasend("...");
    $smtp->dataend();

    $smtp->quit;
}

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In reply to Connect to an SMTP Server that Requires Authentication by batkins

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