[TASK] Fixing logic error with blacklist when sending mails directly

Classes/Service/MailTemplateService.php

@@ -341,10 +341,9 @@ class MailTemplateService {
 		// insert <br /> tags, but replace every instance of three or more successive breaks with just two.
 		$emailBody = nl2br($emailBody);
 		$emailBody = preg_replace('/(<br[\s]?[\/]?>[\s]*){3,}/', '<br /><br />', $emailBody);
-		if ($this->ignoreMailQueue && self::isTemplateBlacklisted(
+		if ($this->ignoreMailQueue && !self::isTemplateBlacklisted(
 				$this->extensionKey, $this->templateName, $siteRootId
 			)) {
-
 			$this->mailMessage->setBody($emailBody, 'text/html');
 			$this->mailMessage->send();
 			$dateTime = new DateTime();