diff -Naur panda-imap_nkhorman-20200721/src/imapd/Makefile panda-imap_nkhorman-20200721-patched/src/imapd/Makefile
--- panda-imap_nkhorman-20200721/src/imapd/Makefile	2017-11-08 06:54:19.000000000 +0100
+++ panda-imap_nkhorman-20200721-patched/src/imapd/Makefile	2020-07-23 19:19:02.412219944 +0200
@@ -28,7 +28,7 @@
 
 ALERT=/etc/imapd.alert
 USERALERT=.imapalert
-SHUTDOWN=/etc/nologin
+SHUTDOWN=/etc/mail-nologin
 ANO=/etc/anonymous.newsgroups
 NNTP=/etc/imapd.nntp
 SHELL= /bin/sh