Hi,
If you cannot use Database mail, I think you can try SQL Mail instead, which provides a way to send, receive, delete, and process e-mail.
Please refer to the documents below:
SQL Mail
http://msdn.microsoft.com/en-us/library/ms177418(SQL.90).aspx
How to configure SQL Mail to use an Internet mail server by using Outlook 2003
http://support.microsoft.com/kb/897349
SQL Mail vs Database Mail
http://www.siusic.com/wphchen/sql-mail-vs-database-mail-102.html
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