Created
May 22, 2015 20:24
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Verificador de email
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| <?php | |
| function verifyEmail($toemail, $fromemail, $getdetails = false){ | |
| $email_arr = explode("@", $toemail); | |
| $domain = array_slice($email_arr, -1); | |
| $domain = $domain[0]; | |
| // Trim [ and ] from beginning and end of domain string, respectively | |
| $domain = ltrim($domain, "["); | |
| $domain = rtrim($domain, "]"); | |
| if( "IPv6:" == substr($domain, 0, strlen("IPv6:")) ) { | |
| $domain = substr($domain, strlen("IPv6") + 1); | |
| } | |
| $mxhosts = array(); | |
| if( filter_var($domain, FILTER_VALIDATE_IP) ) | |
| $mx_ip = $domain; | |
| else | |
| getmxrr($domain, $mxhosts, $mxweight); | |
| if(!empty($mxhosts) ) | |
| $mx_ip = $mxhosts[array_search(min($mxweight), $mxhosts)]; | |
| else { | |
| if( filter_var($domain, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) ) { | |
| $record_a = dns_get_record($domain, DNS_A); | |
| } | |
| elseif( filter_var($domain, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) ) { | |
| $record_a = dns_get_record($domain, DNS_AAAA); | |
| } | |
| if( !empty($record_a) ) | |
| $mx_ip = $record_a[0]['ip']; | |
| else { | |
| $result = "invalid"; | |
| $details .= "No suitable MX records found."; | |
| return ( (true == $getdetails) ? array($result, $details) : $result ); | |
| } | |
| } | |
| $connect = @fsockopen($mx_ip, 25); | |
| if($connect){ | |
| if(preg_match("/^220/i", $out = fgets($connect, 1024))){ | |
| fputs ($connect , "HELO $mx_ip\r\n"); | |
| $out = fgets ($connect, 1024); | |
| $details .= $out."\n"; | |
| fputs ($connect , "MAIL FROM: <$fromemail>\r\n"); | |
| $from = fgets ($connect, 1024); | |
| $details .= $from."\n"; | |
| fputs ($connect , "RCPT TO: <$toemail>\r\n"); | |
| $to = fgets ($connect, 1024); | |
| $details .= $to."\n"; | |
| fputs ($connect , "QUIT"); | |
| fclose($connect); | |
| if(!preg_match("/^250/i", $from) || !preg_match("/^250/i", $to)){ | |
| $result = "invalid"; | |
| } | |
| else{ | |
| $result = "valid"; | |
| } | |
| } | |
| } | |
| else{ | |
| $result = "invalid"; | |
| $details .= "Could not connect to server"; | |
| } | |
| if($getdetails){ | |
| return array($result, $details); | |
| } | |
| else{ | |
| return $result; | |
| } | |
| } | |
| ?> |
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