can you help me with php form processor

hi everyone
im having a bit of trouble working out how to get my html form to work with php
ive managed to get the form to send to the php file 'sendmail.php''
which then should send the output of the form to my email
but all i get is a blank email
please can you tell me what code i should be using in my sendmail.php file?
thanks
dan

here is the forms code
<form id="form1" name="form1" method="post" action="sendmail.php">
<p>
<label>Full Name*:
<input name="name" type="text" id="name" />
</label>
</p>
<p>
<label for="address">Address Line 1*: </label>
<input type="text" name="address1" id="address1" />
</p>
<p>
<label for="address2">Address Line 2: </label>
<input type="text" name="address2" id="address2" />
</p>
<p>
<label for="address3">Address Line 3: </label>
<input type="text" name="address3" id="address3" />
</p>
<p>
<label for="phone3">Town or City*: </label>
<input type="text" name="town" id="town" />
</p>
<p>
<label for="phone2">Postcode: </label>
<input type="text" name="postcode" id="postcode" />
</p>
<p>
<label for="email">Email Adress*: </label>
<input type="text" name="email" id="email" />
</p>
<h2>What Phones Are You Selling? Enter Upto FOUR.</h2>
<p>
<label for="phone4">Phone 1*: </label>
<input type="text" name="phone1" id="phone1" />
</p>
<p>
<label for="address8">Phone 2: </label>
<input type="text" name="phone2" id="phone2" />
</p>
<p>
<label for="address9">Phone 3: </label>
<input type="text" name="phone3" id="phone3" />
</p>
<p>
<label for="address10">Phone 4: </label>
<input type="text" name="phone4" id="phone4" />
</p>
<h3>* denotes required field</h3>
<p>&nbsp;</p>
<p>
<input type="submit" name="submit" id="submit" value="Submit" />
</p>
</form>

 

Check how you named inportant fields in both files, your html file and php file, they must be exact match. Or you can post your php file here and someone can help you.