1 files changed, 3 insertions, 3 deletions
diff --git a/content/post/postfix-as-null-client-with-external-catchall.md b/content/post/postfix-as-null-client-with-external-catchall.md
index 4a604b5..b3fd5a4 100644
--- a/content/post/postfix-as-null-client-with-external-catchall.md
+++ b/content/post/postfix-as-null-client-with-external-catchall.md
@@ -3,7 +3,7 @@ title = 'Postfix on a NixOS null client with external catch-all'
 date = 2020-09-11T18:49:00+02:00
 
 [taxonomies]
-tags = ["development","git","nixos"]
+tags = ["nixos","infrastructure"]
 +++
 I wanted to set up a server so that any local email (e.g. generated by cron jobs/systemd timers) would be forwarded to an external address, regardless of the user.  I also wanted the from address to keep the system hostname whilst not allowing any external use of the mailserver.
 
@@ -11,7 +11,7 @@ It took me a while to figure out how to this, so I thought I'd share my method.
 
 Here's the config that can be used to do this on any NixOS host, after redefining the first two variables.
 
-```txt {linenos=table,hl_lines=["2-3"]}
+```txt,linenos,hl_lines=2-3
 services.postfix = let
   localUser = "example-user";
   forwardingAddress = "user@external.domain";
@@ -36,7 +36,7 @@ Emails to any user without a domain part are all sent to the forwarding address
 
 First, the basic setup for a null client can be found in the [postfix documentation][0]. The example config would be translated into NixOS like so:
 
-```txt {linenos=table}
+```txt
 services.postfix = {
   enable = true;
   destination = [];