Bulk Email Verifier PHP script with class PHP Email validation: Determine if a given e-mail address is valid.

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Ratings				Unique User Downloads		Download Rankings
61%				Total: 35,929		All time: 12 This week: 43

Version		License		PHP version		Categories
`emailvalidation` 1.0.19		BSD License		3		Email, Networking, Validation

Description

Author

Manuel Lemos

Class that may be used to determine if a given e-mail address is valid. It features:

- Simple validation just by looking at the e-mail address string
- Validation of the domain against a list of known domains that are often misspelled (typos) like those of Gmail.com, Hotmail.com, Mail.ru, Ntlworld.com, Rediffmail.com, Rocketmail.com, Yahoo.com, Yandex.com, etc.
- Provides did you mean like suggestions for email addresses that were entered with typos
- Validation of domain against a list of typical fake domains like test.com, testtest.com, asd.com, asdf.com, etc..
- Validation of the email address domain against a list of of known domains for being used as disposable email addresses or temporary domains
- Manual whitelisting of domains to avoid trigger false positives of invalid domains
- Validation of the e-mail address domain checking the DNS MX record (mail exchange)
- Validation of a e-mail address by connecting to the mail host server to determine if there is really a deliverable mail box by simulating part of the message delivery process.

Manuel Lemos

Performance

Level

Level 3

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Example


<?php

/*

 * test_email_validation.html

 *

 * @(#) $Header: /opt2/ena/metal/emailvalidation/test_email_validation.php,v 1.14 2024/02/07 12:19:09 mlemos Exp $

 *

 */



?><html>

<head>

<title>Test for Manuel Lemos's PHP E-mail validation class</title>

</head>

<body>

<h1 align="center">Test for Manuel Lemos's PHP E-mail validation class</h1>

<hr>

<?php

    require("email_validation.php");



    $validator=new email_validation_class;



    /* how many seconds to wait before each attempt to connect to the

       destination e-mail server */

    $validator->timeout=10;



    /* how many seconds to wait for data exchanged with the server.

       set to a non zero value if the data timeout will be different

         than the connection timeout. */

    $validator->data_timeout=0;



    /* user part of the e-mail address of the sending user

       (info@phpclasses.org in this example) */

    $validator->localuser="info";



    /* domain part of the e-mail address of the sending user */

    $validator->localhost="phpclasses.org";



    /* Set to 1 if you want to output of the dialog with the

       destination mail server */

    $validator->debug=1;



    /* Set to 1 if you want the debug output to be formatted to be

    displayed properly in a HTML page. */

    $validator->html_debug=1;





    /* When it is not possible to resolve the e-mail address of

       destination server (MX record) eventually because the domain is

       invalid, this class tries to resolve the domain address (A

       record). If it fails, usually the resolver library assumes that

       could be because the specified domain is just the subdomain

       part. So, it appends the local default domain and tries to

       resolve the resulting domain. It may happen that the local DNS

       has an * for the A record, so any sub-domain is resolved to some

       local IP address. This  prevents the class from figuring if the

       specified e-mail address domain is valid. To avoid this problem,

       just specify in this variable the local address that the

       resolver library would return with gethostbyname() function for

       invalid global domains that would be confused with valid local

       domains. Here it can be either the domain name or its IP address. */

    $validator->exclude_address="";

    $validator->invalid_email_domains_file = 'invalidemaildomains.csv';

    $validator->invalid_email_servers_file = 'invalidemailservers.csv';

    $validator->email_domains_white_list_file = 'emaildomainswhitelist.csv';



    if(IsSet($_GET["email"]))

        $email=$_GET["email"];

    if(IsSet($email)

    && strcmp($email,""))

    {

        if(strlen($error = $validator->ValidateAddress($email, $valid)))

        {

            echo "<h2 align=\"center\">Error: ".HtmlSpecialChars($error)."</h2>\n";

        }

        elseif(!$valid)

        {

            echo "<h2 align=\"center\"><tt>$email</tt> is not a valid deliverable e-mail box address.</h2>\n";

            if(count($validator->suggestions))

            {

                $suggestion = $validator->suggestions[0];

                $link = '?email='.UrlEncode($suggestion);

                echo "<H2 align=\"center\">Did you mean <a href=\"".HtmlSpecialChars($link)."\"><tt>".HtmlSpecialChars($suggestion)."</tt></a>?</H2>\n";

            }

        }

        elseif(($result=$validator->ValidateEmailBox($email))<0)

            echo "<h2 align=\"center\">It was not possible to determine if <tt>$email</tt> is a valid deliverable e-mail box address.</h2>\n";

        else

            echo "<h2 align=\"center\"><tt>$email</tt> is ".($result ? "" : "not ")."a valid deliverable e-mail box address.</h2>\n";

    }

    else

    {

        $email = 'your@test.email.here';

        $link = '?email='.$email;

        echo "<h2 align=\"center\">Access this page using passing the email to validate here: <a href=\"".HtmlSpecialChars($link)."\"><tt>".$email."</tt></a></h2>\n";

    }

?>

<hr>

</body>

</html>

Screenshots (1)

Files (7)

File	Role	Description
`test_email_validation.php`	Example	E-mail validation test page script
`invalidemaildomains.csv`	Data	Sample list of domains known to be invalid for email addresses
`emaildomainswhitelist.csv`	Data	White list of domains to always be considered valid
`email_validation.php`	Class	E-mail validation class
`invalidemailservers.csv`	Data	Invalid email servers list
`invalidemailusers.csv`	Data	List of invalid email address user names

The PHP Classes site has supported package installation using the Composer tool since 2013, as you may verify by reading this instructions page.

Install with Composer

	emailvalidation-2024-02-07.zip 20KB
	emailvalidation-2024-02-07.tar.gz 20KB
	Install with Composer

Needed packages

Class	Download	Why it is needed	Dependency
DNSResolver	.zip .tar.gz	If you are using Windows or any other platform on which the PHP function GetMXRR is not working, this class can provide an alternative	Conditional

Version Control

Reuses

Unique User Downloads

Download Rankings

28%

Total:	35,929
This week:	0

All time:	12
This week:	43

User Ratings

User Comments (8)

	All time
Utility:	89%
Consistency:	82%
Documentation:	-
Examples:	81%
Tests:	-
Videos:	-
Overall:	61%
Rank:	1092

By this code i am able to validate only domain, not validate ... 1 year ago (icert glob)	45%
Thank you very useful package 4 years ago (Alberto Garelli)	70%
Your class stays in conflict with the Single Responsibility P... 8 years ago (Matthias Kaschubowski)	40%
Amazing and very Simple to use! I have seen a few Text Tutori... 10 years ago (Miklo)	70%
The class is very helpful for me. 12 years ago (Khoa Nguyen)	70%
Excellent 15 years ago (kishore kumar)	70%
Tried the ValidateEmailAddress() method to no avail. 17 years ago (G. S.)	35%
very useful script 16 years ago (Lee J)	70%

Applications that use this package


Used to validate e-mail addresses in this site about training dogs

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