diff --git a/func/rebuild.sh b/func/rebuild.sh
index a101d7bbb..e753de9e6 100644
--- a/func/rebuild.sh
+++ b/func/rebuild.sh
@@ -455,7 +455,7 @@ rebuild_mail_domain_conf() {
         U_MAIL_DKMI=$((U_MAIL_DKMI + 1))
         pem="$USER_DATA/mail/$domain.pem"
         pub="$USER_DATA/mail/$domain.pub"
-        openssl genrsa -out $pem 512 &>/dev/null
+        openssl genrsa -out $pem 1024 &>/dev/null
         openssl rsa -pubout -in $pem -out $pub &>/dev/null
         cp $pem $HOMEDIR/$user/conf/mail/$domain/dkim.pem
 
@@ -473,7 +473,7 @@ rebuild_mail_domain_conf() {
             policy="\"t=y; o=~;\""
             $BIN/v-add-dns-record $user $domain $record TXT "$policy"
 
-            record='mail._domainkey'
+            record='vmail._domainkey'
             p=$(cat $pub|grep -v ' KEY---'|tr -d '\n')
             slct="\"k=rsa\; p=$p\""
             $BIN/v-add-dns-record $user $domain $record TXT "$slct"