diff --git a/src/Parser/DomainPart.php b/src/Parser/DomainPart.php
index dbdcee4..2139395 100644
--- a/src/Parser/DomainPart.php
+++ b/src/Parser/DomainPart.php
@@ -15,17 +15,17 @@ use Egulias\EmailValidator\Result\Reason\ExpectingDomainLiteralClose;
 use Egulias\EmailValidator\Result\Result;
 use Egulias\EmailValidator\Result\ValidEmail;
 use Egulias\EmailValidator\Warning\DeprecatedComment;
-use Egulias\EmailValidator\Warning\DomainLiteral;
-use Egulias\EmailValidator\Warning\DomainTooLong;
-use Egulias\EmailValidator\Warning\LabelTooLong;
 use Egulias\EmailValidator\Warning\TLD;
 use Egulias\EmailValidator\Parser\DomainLiteral as DomainLiteralParser;
-use Egulias\EmailValidator\Result\Reason\CommaInDomain;
 use Egulias\EmailValidator\Result\Reason\CRLFAtTheEnd;
+use Egulias\EmailValidator\Result\Reason\DomainTooLong;
+use Egulias\EmailValidator\Result\Reason\LabelTooLong;
 
 class DomainPart extends Parser
 {
-    const DOMAIN_MAX_LENGTH = 254;
+    const DOMAIN_MAX_LENGTH = 253;
+    const LABEL_MAX_LENGTH = 63;
+
 
     /**
      * @var string
@@ -57,7 +57,8 @@ class DomainPart extends Parser
         }
 
         if ($length > self::DOMAIN_MAX_LENGTH) {
-            $this->warnings[DomainTooLong::CODE] = new DomainTooLong();
+            //$this->warnings[DomainTooLong::CODE] = new DomainTooLong();
+            return new InvalidEmail(new DomainTooLong(), $this->lexer->token['value']);
         }
 
         return new ValidEmail();
@@ -179,7 +180,10 @@ class DomainPart extends Parser
                 return $literalResult;
             }
 
-            $this->checkLabelLength($prev);
+            $labelCheck = $this->checkLabelLength($prev);
+            if ($labelCheck->isInvalid()) {
+                return $labelCheck;
+            }
 
             $FwsResult = $this->parseFWS();
             if($FwsResult->isInvalid()) {
@@ -280,14 +284,16 @@ class DomainPart extends Parser
         return new ValidEmail();
     }
 
-    protected function checkLabelLength(array $prev) : void
+    protected function checkLabelLength(array $prev) : Result
     {
         if ($this->lexer->token['type'] === EmailLexer::S_DOT &&
             $prev['type'] === EmailLexer::GENERIC &&
-            strlen($prev['value']) > 63
+            strlen($prev['value']) > self::LABEL_MAX_LENGTH
         ) {
-            $this->warnings[LabelTooLong::CODE] = new LabelTooLong();
+            //$this->warnings[LabelTooLong::CODE] = new LabelTooLong();
+           return new InvalidEmail(new LabelTooLong(), $this->lexer->token['value']);
         }
+        return new ValidEmail();
     }
 
     private function addTLDWarnings(bool $isTLDMissing) : void
diff --git a/src/Result/Reason/DomainTooLong.php b/src/Result/Reason/DomainTooLong.php
new file mode 100644
index 0000000..fa17213
--- /dev/null
+++ b/src/Result/Reason/DomainTooLong.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace Egulias\EmailValidator\Result\Reason;
+
+class DomainTooLong implements Reason
+{
+    public function code() : int
+    {
+        return 244;
+    }
+
+    public function description() : string
+    {
+        return 'Domain is longer than 253 characters';
+    }
+}
diff --git a/src/Result/Reason/LabelTooLong.php b/src/Result/Reason/LabelTooLong.php
new file mode 100644
index 0000000..e181ef9
--- /dev/null
+++ b/src/Result/Reason/LabelTooLong.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace Egulias\EmailValidator\Result\Reason;
+
+class LabelTooLong implements Reason
+{
+    public function code() : int
+    {
+        return 245;
+    }
+
+    public function description() : string
+    {
+        return 'Domain "label" is longer than 63 characters';
+    }
+}
diff --git a/src/Warning/DomainTooLong.php b/src/Warning/DomainTooLong.php
deleted file mode 100644
index 61ff17a..0000000
--- a/src/Warning/DomainTooLong.php
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-
-namespace Egulias\EmailValidator\Warning;
-
-class DomainTooLong extends Warning
-{
-    const CODE = 255;
-
-    public function __construct()
-    {
-        $this->message = 'Domain is too long, exceeds 255 chars';
-        $this->rfcNumber = 5322;
-    }
-}
diff --git a/src/Warning/LabelTooLong.php b/src/Warning/LabelTooLong.php
deleted file mode 100644
index daf07f4..0000000
--- a/src/Warning/LabelTooLong.php
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-
-namespace Egulias\EmailValidator\Warning;
-
-class LabelTooLong extends Warning
-{
-    const CODE = 63;
-
-    public function __construct()
-    {
-        $this->message = 'Label too long';
-        $this->rfcNumber = 5322;
-    }
-}
diff --git a/tests/EmailValidator/Validation/RFCValidationDomainPartTest.php b/tests/EmailValidator/Validation/RFCValidationDomainPartTest.php
index cfc6530..8e6eb2c 100644
--- a/tests/EmailValidator/Validation/RFCValidationDomainPartTest.php
+++ b/tests/EmailValidator/Validation/RFCValidationDomainPartTest.php
@@ -3,29 +3,23 @@
 namespace Egulias\EmailValidator\Tests\EmailValidator\Validation;
 
 use PHPUnit\Framework\TestCase;
+use Egulias\EmailValidator\Validation\RFCValidation;
 use Egulias\EmailValidator\EmailLexer;
 use Egulias\EmailValidator\Warning\TLD;
 use Egulias\EmailValidator\Warning\Comment;
-use Egulias\EmailValidator\Warning\CFWSNearAt;
-use Egulias\EmailValidator\Result\InvalidEmail;
-use Egulias\EmailValidator\Warning\CFWSWithFWS;
 use Egulias\EmailValidator\Warning\IPV6BadChar;
-use Egulias\EmailValidator\Result\Reason\CRNoLF;
 use Egulias\EmailValidator\Warning\IPV6ColonEnd;
-use Egulias\EmailValidator\Warning\LabelTooLong;
-use Egulias\EmailValidator\Warning\QuotedString;
 use Egulias\EmailValidator\Warning\DomainLiteral;
-use Egulias\EmailValidator\Warning\DomainTooLong;
 use Egulias\EmailValidator\Warning\IPV6MaxGroups;
 use Egulias\EmailValidator\Warning\ObsoleteDTEXT;
-use Egulias\EmailValidator\Result\Reason\DotAtEnd;
 use Egulias\EmailValidator\Warning\AddressLiteral;
 use Egulias\EmailValidator\Warning\IPV6ColonStart;
 use Egulias\EmailValidator\Warning\IPV6Deprecated;
 use Egulias\EmailValidator\Warning\IPV6GroupCount;
 use Egulias\EmailValidator\Warning\IPV6DoubleColon;
+use Egulias\EmailValidator\Result\InvalidEmail;
 use Egulias\EmailValidator\Result\Reason\DotAtStart;
-use Egulias\EmailValidator\Validation\RFCValidation;
+use Egulias\EmailValidator\Result\Reason\DotAtEnd;
 use Egulias\EmailValidator\Result\Reason\NoDomainPart;
 use Egulias\EmailValidator\Result\Reason\ConsecutiveAt;
 use Egulias\EmailValidator\Result\Reason\ConsecutiveDot;
@@ -33,6 +27,7 @@ use Egulias\EmailValidator\Result\Reason\DomainHyphened;
 use Egulias\EmailValidator\Result\Reason\ExpectingATEXT;
 use Egulias\EmailValidator\Result\Reason\ExpectingDTEXT;
 use Egulias\EmailValidator\Result\Reason\UnOpenedComment;
+use Egulias\EmailValidator\Result\Reason\CRNoLF;
 
 
 class RFCValidationDomainPartTest extends TestCase
@@ -107,6 +102,7 @@ class RFCValidationDomainPartTest extends TestCase
             ['example@localhost\\'],
             ['example@localhost.'],
             ['username@ example . com'],
+            ['username@ example.com'],
             ['example@(fake].com'],
             ['example@(fake.com'],
             ['username@example,com'],
@@ -130,6 +126,12 @@ class RFCValidationDomainPartTest extends TestCase
             ['test@example.com []'],
             ['test@example.com. []'],
             ['test@test. example.com'],
+            ['example@toolonglocalparttoolonglocalparttoolonglocalparttoolonglocalparttoolonglocalparttoolonglocal'.
+            'parttoolonglocalparttoolonglocalparttoolonglocalparttoolonglocalparttoolonglocalparttoolonglocalpart'.
+            'toolonglocalparttoolonglocalparttoolonglocalparttoolonglocalpar'],
+            ['example@toolonglocalparttoolonglocalparttoolonglocalparttoolonglocalpart.co.uk'],
+            ['example@toolonglocalparttoolonglocalparttoolonglocalparttoolonglocalpart.test.co.uk'],
+            ['example@test.toolonglocalparttoolonglocalparttoolonglocalparttoolonglocalpart.co.uk'],
         ];
     }
 
@@ -184,7 +186,8 @@ class RFCValidationDomainPartTest extends TestCase
     public function getValidEmailsWithWarnings()
     {
         return [
-            [[CFWSNearAt::CODE], 'example@ invalid.example.com'],
+            //Check if this is actually possible
+            //[[CFWSNearAt::CODE], 'example@ invalid.example.com'],
             [[Comment::CODE], 'example@invalid.example(examplecomment).com'],
             [[AddressLiteral::CODE, TLD::CODE], 'example@[127.0.0.1]'],
             [[AddressLiteral::CODE, TLD::CODE], 'example@[IPv6:2001:0db8:85a3:0000:0000:8a2e:0370:7334]'],
@@ -206,22 +209,6 @@ class RFCValidationDomainPartTest extends TestCase
                 [AddressLiteral::CODE, IPV6ColonEnd::CODE, TLD::CODE],
                 'example@[IPv6:2001:0db8:85a3:0000:0000:8a2e:0370:]'
             ],
-            [
-                [LabelTooLong::CODE,],
-                'example@toolonglocalparttoolonglocalparttoolonglocalparttoolonglocalpart.co.uk'
-            ],
-            [
-                [DomainTooLong::CODE, LabelTooLong::CODE, TLD::CODE],
-                'example2@toolonglocalparttoolonglocalparttoolonglocalparttoolonglocalparttoolonglocalparttoolonglocal'.
-                'parttoolonglocalparttoolonglocalparttoolonglocalparttoolonglocalparttoolonglocalparttoolonglocalpart'.
-                'toolonglocalparttoolonglocalparttoolonglocalparttoolonglocalpart'
-            ],
-            [
-                [DomainTooLong::CODE, LabelTooLong::CODE, TLD::CODE],
-                'example@toolonglocalparttoolonglocalparttoolonglocalparttoolonglocalparttoolonglocalparttoolonglocal'.
-                'parttoolonglocalparttoolonglocalparttoolonglocalparttoolonglocalparttoolonglocalparttoolonglocalpart'.
-                'toolonglocalparttoolonglocalparttoolonglocalparttoolonglocalpar'
-            ],
         ];
     }