Find out if the magazine takes submissions. This can often be done by searching the magazine's website. Many publications only feature their own staff writers. Check first so that you don't waste your time writing a piece no one will look at.
Look on the magazine's website to find the address for submissions. This can often be found on the "Contact Us" page. Take note of how submissions should be sent. Some companies may want an email; others may prefer fax or regular mail.
Proofread your submission before it is sent. Occasionally, magazines have their editors scan your submission for proper punctuation and grammar. Regardless, check your work yourself.
Call to follow-up on your submission and make sure it was received. Many publications receive hundreds, if not thousands, of submissions.