diff --git a/postfix/main.cf b/postfix/main.cf
index 5591d86..1a3d426 100644
--- a/postfix/main.cf
+++ b/postfix/main.cf
@@ -27,6 +27,9 @@ mailq_path = /usr/bin/mailq
 mailbox_command = /usr/bin/procmail
 html_directory = no
 
+mailbox_size_limit = 1024000000
+message_size_limit = 51200000
+
 smtpd_tls_loglevel = 1
 smtpd_use_tls = yes
 smtpd_tls_protocols = !SSLv2, !SSLv3