[suspicious - maybe spam] PHPMAILER and sockets

Hello I have 3 accounts at http://100webspace.com/, and I use the phpmailer class to send mails through smtp.yahoo.com.ar <http://smtp.yahoo.com.ar>(Argentina). The problem is that the script works fine at freefronhost.com <http://freefronhost.com> and also in goldeye.com<http://goldeye.com>, but when I use it in coconia.net <http://coconia.net> It has the following error: *Warning*: fsockopen(): unable to connect to smtp.mail.yahoo.com.ar:25<http://smtp.mail.yahoo.com.ar:25>in */home/www/htdocs/cemz/includes/class.smtp.php* on line *105 *I checked the phpinfo and it says that sockets are enabled. So I wrote to the support and they said me: Hello, Your plan hava a restriction for sending mails. SMTP is not allowed. :| :S But all the accounts are free. I think it could be an error at the configuration of PHP, or samething like that. I hope you can help me. Sorry for the writing, I'm from Argentina -- Fernando Cosso