Move MX record to its own subdomain

deltachat · Sep 2, 2024 · 11a8e9a · 11a8e9a
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commit 11a8e9a
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -18,6 +18,8 @@
 - drop hispanilandia passthrough address
   ([#401](https://github.com/deltachat/chatmail/pull/401))
 
+- Move MX record to its own subdomain
+  ([#403](https://github.com/deltachat/chatmail/pull/403))
 
 ## 1.4.1 2024-07-31
 

diff --git a/cmdeploy/src/cmdeploy/chatmail.zone.j2 b/cmdeploy/src/cmdeploy/chatmail.zone.j2
@@ -7,10 +7,11 @@
 {% if AAAA %}
 {{ mail_domain }}.                   AAAA  {{ AAAA }}
 {% endif %}
-{{ mail_domain }}.                   MX 10 {{ mail_domain }}.
+{{ mail_domain }}.                   MX 10 mx.{{ mail_domain }}.
 _mta-sts.{{ mail_domain }}.          TXT "v=STSv1; id={{ sts_id }}"
 mta-sts.{{ mail_domain }}.           CNAME {{ mail_domain }}.
 www.{{ mail_domain }}.               CNAME {{ mail_domain }}.
+mx.{{ mail_domain }}.                CNAME {{ mail_domain }}.
 {{ dkim_entry }}
 
 ;

diff --git a/cmdeploy/src/cmdeploy/nginx/mta-sts.txt.j2 b/cmdeploy/src/cmdeploy/nginx/mta-sts.txt.j2
@@ -1,4 +1,4 @@
 version: STSv1
 mode: enforce
-mx: {{ config.domain_name }}
+mx: mx.{{ config.domain_name }}
 max_age: 2419200