diff --git a/hsarback/src/de/hsadmin/mods/dom/DomainProcessorFactory.java b/hsarback/src/de/hsadmin/mods/dom/DomainProcessorFactory.java
index 80671b8..ce2e137 100644
--- a/hsarback/src/de/hsadmin/mods/dom/DomainProcessorFactory.java
+++ b/hsarback/src/de/hsadmin/mods/dom/DomainProcessorFactory.java
@@ -168,7 +168,7 @@ public class DomainProcessorFactory implements EntityProcessorFactory {
 		String domName = dom.getName();
 		ShellProcessor emailAddressRemoveProcessor = new ShellProcessor("for KEY in $(postmap -s /etc/postfix/virtual|grep " + domName + "|cut -f1); do postmap -d $KEY /etc/postfix/virtual; done");
 		ShellProcessor dnsRemoveRemoveProcessor = 
-			new ShellProcessor("grep -v pri." + domName + " /etc/bind/named.pri-zones > /etc/bind/named.pri-zones.tmp" +
+			new ShellProcessor("grep -v '\"pri." + domName + "\"' /etc/bind/named.pri-zones > /etc/bind/named.pri-zones.tmp" +
 				" && mv /etc/bind/named.pri-zones.tmp /etc/bind/named.pri-zones" +
 				" && rm /etc/bind/pri." + domName +
 				" && invoke-rc.d bind9 reload");
@@ -178,7 +178,7 @@ public class DomainProcessorFactory implements EntityProcessorFactory {
 		String[] dnsQueues = { "dns1", "dns2", "dns3" }; 
 		for (String queueName : dnsQueues) {
 			seczonesFileProcessor =
-				new ShellProcessor("grep -v sec." + domName + " /etc/bind/named-hsh.conf >/etc/bind/named-hsh.conf.tmp" +
+				new ShellProcessor("grep -v '\"sec." + domName + "\"' /etc/bind/named-hsh.conf >/etc/bind/named-hsh.conf.tmp" +
 						" && mv /etc/bind/named-hsh.conf.tmp /etc/bind/named-hsh.conf" +
 						" && rm /var/cache/bind/sec." + domName + 
 						" && invoke-rc.d bind9 reload");
@@ -204,7 +204,7 @@ public class DomainProcessorFactory implements EntityProcessorFactory {
 		mainProcessor.appendProcessor(dom.getHiveName(), vhostDelProcessor, "remove apache vhost");
 		
 		Processor backupMXSMTPRelayDelProcessor = 
-			new ShellProcessor("grep -v " + domName + " /etc/postfix/relaydomains > /etc/postfix/relaydomains.tmp" +
+			new ShellProcessor("grep -v '^" + domName + "$' /etc/postfix/relaydomains > /etc/postfix/relaydomains.tmp" +
 				" && mv /etc/postfix/relaydomains.tmp /etc/postfix/relaydomains" +
 				" && invoke-rc.d postfix reload");
 		mainProcessor.appendProcessor("backupmx", backupMXSMTPRelayDelProcessor, "backupmx.hostsharing.net");