diff --git a/public/.well-known/mta-sts.txt b/public/.well-known/mta-sts.txt
index 740174fd..b6b576b2 100644
--- a/public/.well-known/mta-sts.txt
+++ b/public/.well-known/mta-sts.txt
@@ -1,6 +1,4 @@
-
 version: STSv1
 mode: enforce
-mx: mail.protonmail.ch
-mx: mailsec.protonmail.ch
+mx: mta-gw.infomaniak.ch
 max_age: 1209600
\ No newline at end of file