diff --git a/src/Mail/Message.php b/src/Mail/Message.php
index 57c42b3..139744d 100644
--- a/src/Mail/Message.php
+++ b/src/Mail/Message.php
@@ -397,6 +397,7 @@ protected function buildText(string $html): string
 		]);
 		$text = Nette\Utils\Html::htmlToText($html);
 		$text = Strings::replace($text, '#[ \t]+#', ' ');
+		$text = implode("\n", array_map('trim', explode("\n", $text)));
 		return trim($text);
 	}
 
diff --git a/tests/Mail/Mail.HtmlBodyAndLinks.multiline.phpt b/tests/Mail/Mail.HtmlBodyAndLinks.multiline.phpt
index ea0af43..9f927be 100644
--- a/tests/Mail/Mail.HtmlBodyAndLinks.multiline.phpt
+++ b/tests/Mail/Mail.HtmlBodyAndLinks.multiline.phpt
@@ -50,7 +50,7 @@ Content-Type: text/plain; charset=UTF-8
 Content-Transfer-Encoding: 8bit
 
 Příliš žluťoučký <http://green.example.com>
- žlutý kůň <http://horse.example.com>
+žlutý kůň <http://horse.example.com>
 ----------%S%
 Content-Type: text/html; charset=UTF-8
 Content-Transfer-Encoding: 8bit