See dedicated servers for that. We have tinyfuge installed for this purpose. Email Your typical unix email system. We have a zero tolerance toward spam and unsolicited email in general that means simply this, you can't email strangers about your new free service or commercial offering. If you have an opt-in program we'll verify that it's functioning properly.
Ignorance is no excuse.
There may be legal penalties involved as well considering the improvement in our internet laws. The shells administrator is willing to help you with details and setup of various popular software. Some instruction can be given as well if you're language is perl. Just go ahead and ask your question using that email address, you should get a reply within minutes. Whether you're running one or all of these services it's the same single fee.