diff --git a/roles/mail/files/main.cf b/roles/mail/files/main.cf
index 5234e32..0f8b49e 100644
--- a/roles/mail/files/main.cf
+++ b/roles/mail/files/main.cf
@@ -6,6 +6,7 @@ append_dot_mydomain = no
 # delay_warning_time = 10h
 
 queue_directory = /var/spool/postfix
+maximal_queue_lifetime = 2d
 
 # TLS parameters
 smtpd_tls_cert_file=/etc/letsencrypt/live/atlantishq.de/fullchain.pem