Mandatory Feild on Web Form

Good Afternoon

Is it possible to make the email feild mandatory, with the form not sending until this feild has been completed?

Thank you

]<br />
<td><font face="Arial" color="#000000"><label for="sendto">Support Team</label></td><td><select  id="sendto" name="sendto"><option>Please select one</option>
<option value="sales">Sales</option>
<option value="training">Training</option>
<option value="service">Service</option>
<option value="general">General</option>
</select></td>
</tr>
<tr>
<td><font face="Arial" color="#000000"><label for="name">Name</label></td><td><input type="text" id="name" name="fullname" /></td>
	</tr>
	<tr>
<td><font face="Arial" color="#000000"><label for="email">Email</label></td><td><input type="text" id="email" name="email" /></td>
	</tr>
	<tr>
<td><font face="Arial" color="#000000"><label for="subject">Subject</label></td><td><input type="text" id="subject" name="subject" /></td>
	</tr>
	<tr>
<td><font face="Arial" color="#000000"><label for="message">Message</label></td><td><textarea cols="50" rows="4" name="message"></textarea></td>	
</tr>
</table>
</br>
</br>
<input type="submit" >
</br>

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WashcareAsked:
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Snarf0001Commented:
You should have a quick read on HTML5 input types and validation.  Most browsers have fantastic support for built in validation now.
Instead of:

<input type="text" id="email" name="email" />

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Use:
<input type="email" id="email" name="email" required />

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The "type='email'" will bring up more optimized keyboards on mobile phones / tablets, and will also do basic validation on the format, so you can't just type "sample" in the box.
"required" will have the browser automatically stop the form submission if there's no value in there.

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WashcareAuthor Commented:
Thank you - simple and effective
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