Problem with send email

Topics: FBA, Forms Based Authentication, SharePoint
Apr 25, 2009 at 6:03 AM
I have a problem to send email.when a user register,no email sent to her/him . I download the latest ChangeSet , but nothing changed.when I'm on the main server(that Hosting my site) I can receive email,but on client I can't.
What can I do?
Please Help me as soosn as possible.