diff --git a/assets/css/src/newsletter_editor/contentBlocks/base.styl b/assets/css/src/newsletter_editor/contentBlocks/base.styl
index 2a37615fc3..9ebbcd6f90 100644
--- a/assets/css/src/newsletter_editor/contentBlocks/base.styl
+++ b/assets/css/src/newsletter_editor/contentBlocks/base.styl
@@ -34,7 +34,7 @@ $block-text-line-height = $text-line-height
   position: relative
   line-height: $block-text-line-height
 
-  p, h1, h2, h3, h4, h5, h6
+  h1, h2, h3, h4, h5, h6
     line-height: $block-text-line-height
     padding: 0
     margin: 0
@@ -44,9 +44,15 @@ $block-text-line-height = $text-line-height
   h1, h2, h3, h4, h5, h6
     margin-bottom: 0.3em
 
-  p
+  p:not(.mailpoet_wp_post)
     margin-top: 0
     margin-bottom: 0
+    padding: 0
+    margin: 0
+
+  p
+    line-height: $block-text-line-height
+    font-style: normal
     font-weight: normal
 
   ul
diff --git a/lib/Newsletter/Editor/PostContentManager.php b/lib/Newsletter/Editor/PostContentManager.php
index 82e618e99c..655c2ba80c 100644
--- a/lib/Newsletter/Editor/PostContentManager.php
+++ b/lib/Newsletter/Editor/PostContentManager.php
@@ -6,6 +6,7 @@ if(!defined('ABSPATH')) exit;
 class PostContentManager {
 
   const MAX_EXCERPT_LENGTH = 60;
+  const WP_POST_CLASS = 'mailpoet_wp_post';
 
   function getContent($post, $displayType) {
     if($displayType === 'titleOnly') {
@@ -42,7 +43,7 @@ class PostContentManager {
       '<h2>', '<h3>', '<a>', '<ul>', '<ol>', '<li>', '<br>'
     );
     $content = strip_tags($content, implode('', $tags_not_being_stripped));
-    $content = wpautop($content);
+    $content = str_replace('<p', '<p class="' . self::WP_POST_CLASS .'"', wpautop($content));
 
     return $content;
   }
@@ -91,4 +92,4 @@ class PostContentManager {
     return $content;
   }
 
-}
+}
\ No newline at end of file
diff --git a/lib/Newsletter/Editor/StructureTransformer.php b/lib/Newsletter/Editor/StructureTransformer.php
index 6b526d18ec..08333d5a45 100644
--- a/lib/Newsletter/Editor/StructureTransformer.php
+++ b/lib/Newsletter/Editor/StructureTransformer.php
@@ -72,7 +72,7 @@ class StructureTransformer {
       } else {
         return array(
           'type' => 'text',
-          'text' => $item->toString(),
+          'text' => $item->toString()
         );
       }
 
diff --git a/lib/Newsletter/Renderer/Blocks/Text.php b/lib/Newsletter/Renderer/Blocks/Text.php
index 1543999147..931c51d891 100644
--- a/lib/Newsletter/Renderer/Blocks/Text.php
+++ b/lib/Newsletter/Renderer/Blocks/Text.php
@@ -1,6 +1,7 @@
 <?php
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
+use MailPoet\Newsletter\Editor\PostContentManager;
 use MailPoet\Newsletter\Renderer\StylesHelper;
 
 class Text {
@@ -111,9 +112,16 @@ class Text {
         '<br /><br />' :
         '';
       // if this element is followed by a list, add single line break
-      $line_breaks = ($next_element && preg_match('/<li>/i', $next_element->text())) ?
+      $line_breaks = ($next_element && preg_match('/<li/i', $next_element->getOuterText())) ?
         '<br />' :
         $line_breaks;
+      if($paragraph->hasClass(PostContentManager::WP_POST_CLASS)) {
+        $paragraph->removeClass(PostContentManager::WP_POST_CLASS);
+        // if this element is followed by a paragraph, add double line breaks
+        $line_breaks = ($next_element && preg_match('/<p/i', $next_element->getOuterText())) ?
+          '<br /><br />' :
+          $line_breaks;
+      }
       $paragraph->html('
         <tr>
           <td class="mailpoet_paragraph" style="word-break:break-word;word-wrap:break-word;' . $style . '">