diff --git a/CHANGELOG.md b/CHANGELOG.md
index 66e6a059..275f8b02 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## untagged
 
+- cmdeploy dovecot: delete big messages after 7 days
+  ([#504](https://github.com/chatmail/server/pull/504))
+
 - mtail: fix getting logs from STDIN
   ([#502](https://github.com/chatmail/chatmail/pull/502))
 
diff --git a/cmdeploy/src/cmdeploy/dovecot/expunge.cron.j2 b/cmdeploy/src/cmdeploy/dovecot/expunge.cron.j2
index 13b170cb..73ab321a 100644
--- a/cmdeploy/src/cmdeploy/dovecot/expunge.cron.j2
+++ b/cmdeploy/src/cmdeploy/dovecot/expunge.cron.j2
@@ -1,3 +1,5 @@
+# delete already seen big mails after 7 days, in the INBOX
+2 0 * * * vmail find {{ config.mailboxes_dir }} -path '*/cur/*' -mtime +7 -size +200k -type f -delete
 # delete all mails after {{ config.delete_mails_after }} days, in the Inbox
 2 0 * * * vmail find {{ config.mailboxes_dir }} -path '*/cur/*' -mtime +{{ config.delete_mails_after }} -type f -delete
 # or in any IMAP subfolder