Validate an e-mail address by checking its domain

This class can be used to validate an e-mail address by checking its domain.
It can check a given e-mail address by verifying if it matches a regular expression with a pattern of valid e-mail addresses.
The class can also check the existence e-mail address domain by opening a connection to a host with the e-mail domain name.
How to Work?

• check length of email address max is 320 characters where:1- 64 characters max for the user of email address
  2- 1 character max for the @ 255 characters max for the host name
• apply regular expressions to valid email addres string
• check if exist host to send messages to email address

class by robertoaleman
class home page
download
eavalidator-1.0.zip [1.64 KB]
see class source

• eavalidator.php [1.81 KB]
• index.php [1.04 KB]

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Or just use a simple function like this...
http://www.developer.com/lang/php/article.php/10941_3290141_2/Validating-Emails-with-PHP.htm

 

thanks i am already using a similar class in 1 of my scripts.. it prevents fake domains from bieng submitted but then it doesnt stop all emails sometimes people put fake emails which they dont own but they maybe real

 

it helps, but people or bot will always find a way around everything.. thanks anyways

 

thank you every body
there is one way to stop people making spaming
is
a php class
its job
catch any spammer and kill him buy a gun