diff --git a/build/run/docker-entrypoint/init.d/30-postfix.sh b/build/run/docker-entrypoint/init.d/30-postfix.sh
index 20ca4f5..1d331cf 100755
--- a/build/run/docker-entrypoint/init.d/30-postfix.sh
+++ b/build/run/docker-entrypoint/init.d/30-postfix.sh
@@ -47,7 +47,7 @@ then
     addwhitelist_domain+=(${MYVEMAIL_WHITELIST_DOMAINS//,/ })
     for whitelist_domain in ${addwhitelist_domain[@]}
     do
-        echo "/${whitelist_domain}/			OK Whitelisted domain" | tee -a /etc/postfix/whitelisted_domains >/dev/null
+        echo "/${whitelist_domain/./\\.}$/			OK Whitelisted domain" | tee -a /etc/postfix/whitelisted_domains >/dev/null
     done
 fi
 
@@ -69,7 +69,7 @@ then
     addblacklist_domain+=(${MYVEMAIL_BLACKLIST_DOMAINS//,/ })
     for blacklist_domain in ${addblacklist_domain[@]}
     do
-        echo "/${blacklist_domain}/			REJECT Blacklisted domain" | tee -a /etc/postfix/blacklisted_domains >/dev/null
+        echo "/${blacklist_domain/./\\.}$/			REJECT Blacklisted domain" | tee -a /etc/postfix/blacklisted_domains >/dev/null
     done
 else
     echo "/^null.void$/			OK Dummy entry" >/etc/postfix/blacklisted_domains