diff --git a/src/yunohost/domain.py b/src/yunohost/domain.py
index a17efcbcd..9244e35f9 100644
--- a/src/yunohost/domain.py
+++ b/src/yunohost/domain.py
@@ -270,6 +270,7 @@ def domain_dns_conf(domain, ttl=None):
         result += ' ip6:{ip6}'.format(ip6=ip6)
     result += ' -all"'
 
+    # DKIM
     try:
         with open('/etc/dkim/{domain}.mail.txt'.format(domain=domain)) as f:
             dkim_content = f.read()
@@ -288,4 +289,9 @@ def domain_dns_conf(domain, ttl=None):
                 v=dkim.group('v'), k=dkim.group('k'), p=dkim.group('p')
             )
 
+            # If DKIM is set, add dummy DMARC support
+            result += '\n_dmarc {ttl} IN TXT "v=DMARC1; p=none"'.format(
+                ttl=ttl
+            )
+
     return result