[BUGFIX] Wrong conditions hideByPostal

Resources/Private/Partials/Job.html

@@ -63,8 +63,8 @@
 						</p>
 					</f:if>
 				</f:if>
-				<f:if condition="{job.hideApplyByPostal}">
-					<f:if condition="{job.contact.email} && !{job.contact.hideInFrontend}">
+				<f:if condition="!{job.hideApplyByPostal}">
+					<f:if condition="{job.contact} && !{job.contact.hideInFrontend}">
 						<h3><f:translate key="frontend.apply_by_mail" /></h3>
 						<p>
 							{job.company.name}