you don't have to have a local
smtp server; anyones mail server will do, including google, comcast or whoever you have an email account with.;
I've set up google gmail for db_mail and sql server as a proof of concept lots of times: the only tricky part was the alternate port where you might expect port 25 or 825, instead of 587 that google uses.:
--help us help you! If you post a question, make sure you include a CREATE TABLE... statement and INSERT INTO... statement into that table to give the volunteers here representative data. with your description of the problem, we can provide a tested, verifiable solution to your question! asking the question the right way gets you a tested answer the fastest way possible!