No problem. One other thing I ought to mention, because I just ran into it. I was testing an unrelated Web page that was doing a normal php mail() instruction using sendmail. I tried sending it to all 3 of my email addresses, and it just wouldn't work, which had me flummoxed, because I've written hundreds of like instructions.
It turns out that the hoster of this particular Web account had had a spam attack, where a spammer had used their server to send out tons of spam. The result was that Yahoo (one of my email addresses) had blocked the ip of this hoster's mail server, and so had secureserver.net, who do the blacklisting on behalf of the hoster who handles my other two accounts.
The bottom line was, mail was not getting through because my mail accounts could not receive email from the sender, not because the mail wasn't being sent. The same could happen here, especially when using a shared hosting account. If the mail you are sending is not going to email addresses of the same domain name, add this possibility to the list of potential reasons.