diff --git a/lib/configfiles/bookworm.xml b/lib/configfiles/bookworm.xml
index 153ddd2dc..b61eddbe2 100644
--- a/lib/configfiles/bookworm.xml
+++ b/lib/configfiles/bookworm.xml
@@ -2455,7 +2455,7 @@ mailman   unix  -       n       n       -       -       pipe
   ${nexthop} ${user}
 # Dovecot LDA
 dovecot	  unix	-	n	n	-	-	pipe
-	flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -d ${recipient}
+	flags=DORhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -f ${sender} -d ${recipient}
 ]]>
 						</content>
 					</file>
diff --git a/lib/configfiles/bullseye.xml b/lib/configfiles/bullseye.xml
index 984c4c895..237623fa7 100644
--- a/lib/configfiles/bullseye.xml
+++ b/lib/configfiles/bullseye.xml
@@ -2455,7 +2455,7 @@ mailman   unix  -       n       n       -       -       pipe
   ${nexthop} ${user}
 # Dovecot LDA
 dovecot	  unix	-	n	n	-	-	pipe
-	flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -d ${recipient}
+	flags=DORhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -f ${sender} -d ${recipient}
 ]]>
 						</content>
 					</file>
diff --git a/lib/configfiles/focal.xml b/lib/configfiles/focal.xml
index d6d2ce1cc..a9a84ab42 100644
--- a/lib/configfiles/focal.xml
+++ b/lib/configfiles/focal.xml
@@ -1912,7 +1912,7 @@ postlog   unix-dgram n  -       n       -       1       postlogd
 #
 # Dovecot LDA
 dovecot	  unix	-	n	n	-	-	pipe
-	flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -d ${recipient}
+	flags=DORhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -f ${sender} -d ${recipient}
 ]]>
 						</content>
 					</file>
diff --git a/lib/configfiles/jammy.xml b/lib/configfiles/jammy.xml
index 028d60f1a..f41250bcb 100644
--- a/lib/configfiles/jammy.xml
+++ b/lib/configfiles/jammy.xml
@@ -1912,7 +1912,7 @@ postlog   unix-dgram n  -       n       -       1       postlogd
 #
 # Dovecot LDA
 dovecot	  unix	-	n	n	-	-	pipe
-	flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -d ${recipient}
+	flags=DORhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -f ${sender} -d ${recipient}
 ]]>
 						</content>
 					</file>
diff --git a/lib/configfiles/noble.xml b/lib/configfiles/noble.xml
index 58726403e..5509a6d71 100644
--- a/lib/configfiles/noble.xml
+++ b/lib/configfiles/noble.xml
@@ -1912,7 +1912,7 @@ postlog   unix-dgram n  -       n       -       1       postlogd
 #
 # Dovecot LDA
 dovecot	  unix	-	n	n	-	-	pipe
-	flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -d ${recipient}
+	flags=DORhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -f ${sender} -d ${recipient}
 ]]>
 						</content>
 					</file>