diff --git a/sbin/post-commit-bg b/sbin/post-commit-bg
index f28a01a7..8068a8fb 100755
--- a/sbin/post-commit-bg
+++ b/sbin/post-commit-bg
@@ -179,8 +179,12 @@ main() {
 
 if ! main 1>$LOG_REV 2>&1; then
     if [[ -n ${FCM_SVN_HOOK_ADMIN_EMAIL:-} ]]; then
-        mail -s "[$THIS] $REPOS@$REV" "$FCM_SVN_HOOK_ADMIN_EMAIL" <"$LOG_REV" \
-            || true
+        FROM=
+        if [[ -n ${FCM_SVN_HOOK_NOTIFICATION_FROM:-} ]]; then
+            FROM="-r${FCM_SVN_HOOK_NOTIFICATION_FROM:-}"
+        fi
+        mail "$FROM" -s "[$THIS] $REPOS@$REV" \
+            "$FCM_SVN_HOOK_ADMIN_EMAIL" <"$LOG_REV" || true
     fi
 fi
 cat "$LOG_REV"
diff --git a/sbin/post-revprop-change-bg b/sbin/post-revprop-change-bg
index 32da1c14..46ded75c 100755
--- a/sbin/post-revprop-change-bg
+++ b/sbin/post-revprop-change-bg
@@ -102,8 +102,12 @@ main() {
 }
 
 if ! main 1>$LOG_TMP 2>&1 && [[ -n ${FCM_SVN_HOOK_ADMIN_EMAIL:-} ]]; then
-    mail -s "[ERROR $THIS] $NAME" "$FCM_SVN_HOOK_ADMIN_EMAIL" <"$LOG_TMP" \
-        || true
+    FROM=
+    if [[ -n ${FCM_SVN_HOOK_NOTIFICATION_FROM:-} ]]; then
+        FROM="-r${FCM_SVN_HOOK_NOTIFICATION_FROM:-}"
+    fi
+    mail "$FROM" -s "[ERROR $THIS] $NAME" \
+        "$FCM_SVN_HOOK_ADMIN_EMAIL" <"$LOG_TMP" || true
 fi
 
 cat "$LOG_TMP"
diff --git a/sbin/pre-commit b/sbin/pre-commit
index f854fcae..b06e07a7 100755
--- a/sbin/pre-commit
+++ b/sbin/pre-commit
@@ -108,8 +108,12 @@ begin 1>"${LOG_TXN}" 2>&1
 LOG_TXN_SIZE="$(stat -c '%s' "${LOG_TXN}")"
 if ! main 1>>"${LOG_TXN}" 2>&1; then
     if [[ -n ${FCM_SVN_HOOK_ADMIN_EMAIL:-} ]]; then
-        mail -s "[$THIS] $REPOS@$TXN" "$FCM_SVN_HOOK_ADMIN_EMAIL" <"$LOG_TXN" \
-            || true
+        FROM=
+        if [[ -n ${FCM_SVN_HOOK_NOTIFICATION_FROM:-} ]]; then
+            FROM="-r${FCM_SVN_HOOK_NOTIFICATION_FROM:-}"
+        fi
+        mail "$FROM" -s "[$THIS] $REPOS@$TXN" \
+            "$FCM_SVN_HOOK_ADMIN_EMAIL" <"$LOG_TXN" || true
     fi
     cat "$LOG_TXN"
     cat "$LOG_TXN" >&2
diff --git a/sbin/pre-revprop-change b/sbin/pre-revprop-change
index 1ed98bd3..1cd45180 100755
--- a/sbin/pre-revprop-change
+++ b/sbin/pre-revprop-change
@@ -75,8 +75,12 @@ if ! grep -q "$ACTION  *$PROPNAME" <<<"$OK_CHANGES"; then
         echo "[$ACTION $PROPNAME] permission denied." >&2
     fi
     if [[ -n ${FCM_SVN_HOOK_ADMIN_EMAIL:-} ]]; then
-        mail -s "$NAME:$THIS" "$FCM_SVN_HOOK_ADMIN_EMAIL" <<<"[! $NOW] $@" \
-            || true
+        FROM=
+        if [[ -n ${FCM_SVN_HOOK_NOTIFICATION_FROM:-} ]]; then
+            FROM="-r${FCM_SVN_HOOK_NOTIFICATION_FROM:-}"
+        fi
+        mail "$FROM" -s "$NAME:$THIS" \
+            "$FCM_SVN_HOOK_ADMIN_EMAIL" <<<"[! $NOW] $@" || true
     fi
     echo "[! $NOW] $@"
     exit 1
diff --git a/t/svn-hooks/02-pre-commit.t b/t/svn-hooks/02-pre-commit.t
index 64e35836..26465c02 100755
--- a/t/svn-hooks/02-pre-commit.t
+++ b/t/svn-hooks/02-pre-commit.t
@@ -76,7 +76,7 @@ file_cmp "$TEST_KEY.svnperms.py.out" svnperms.py.out <<__OUT__
 __OUT__
 date2datefmt mail.out >"$TEST_KEY.mail.out.expected"
 file_cmp  "$TEST_KEY.mail.out" "$TEST_KEY.mail.out.expected" <<__LOG__
--s [pre-commit] $REPOS_PATH@$TXN your.admin.team
+-rnotifications@localhost -s [pre-commit] $REPOS_PATH@$TXN your.admin.team
 YYYY-mm-ddTHH:MM:SSZ+ $TXN by $USER
 A   file1
 Access denied!
@@ -106,7 +106,7 @@ __LOG__
 run_fail "$TEST_KEY.svnperms.py.out" test -e svnperms.py.out
 date2datefmt mail.out >"$TEST_KEY.mail.out.expected"
 file_cmp "$TEST_KEY.mail.out" "$TEST_KEY.mail.out.expected" <<__LOG__
--s [pre-commit] $REPOS_PATH@$TXN your.admin.team
+-rnotifications@localhost -s [pre-commit] $REPOS_PATH@$TXN your.admin.team
 YYYY-mm-ddTHH:MM:SSZ+ $TXN by $USER
 A   file1
 foo: permission configuration file not found.
@@ -166,7 +166,7 @@ __LOG__
 date2datefmt mail.out | sed 's/\(size \).*\(MB exceeds\)/\1??\2/' \
      >"$TEST_KEY.mail.out.expected"
 file_cmp "$TEST_KEY.mail.out.expected" "$TEST_KEY.mail.out.expected" <<__OUT__
--s [pre-commit] $REPOS_PATH@$TXN your.admin.team
+-rnotifications@localhost -s [pre-commit] $REPOS_PATH@$TXN your.admin.team
 YYYY-mm-ddTHH:MM:SSZ+ $TXN by $USER
 A   file3
 foo@$TXN: changeset size ??MB exceeds 10MB.
@@ -220,7 +220,7 @@ __OUT__
 date2datefmt mail.out | sed 's/\(size \).*\(MB exceeds\)/\1??\2/' \
      >"$TEST_KEY.mail.out.expected"
 file_cmp "$TEST_KEY.mail.out.expected" "$TEST_KEY.mail.out.expected" <<__OUT__
--s [pre-commit] $REPOS_PATH@$TXN your.admin.team
+-rnotifications@localhost -s [pre-commit] $REPOS_PATH@$TXN your.admin.team
 YYYY-mm-ddTHH:MM:SSZ+ $TXN by $USER
 A   file4
 I am a blocker.
@@ -278,7 +278,7 @@ A   hello/branches/dev/nosuchuser/whatever/
 __LOG__
 date2datefmt mail.out >"$TEST_KEY.mail.out.expected"
 file_cmp  "$TEST_KEY.mail.out" "$TEST_KEY.mail.out.expected" <<__LOG__
--s [pre-commit] $REPOS_PATH@$TXN your.admin.team
+-rnotifications@localhost -s [pre-commit] $REPOS_PATH@$TXN your.admin.team
 YYYY-mm-ddTHH:MM:SSZ+ $TXN by $USER
 A   hello/branches/dev/nosuchuser/
 A   hello/branches/dev/nosuchuser/whatever/
diff --git a/t/svn-hooks/03-post-commit-bg.t b/t/svn-hooks/03-post-commit-bg.t
index c2d51bfc..2ca33663 100755
--- a/t/svn-hooks/03-post-commit-bg.t
+++ b/t/svn-hooks/03-post-commit-bg.t
@@ -211,7 +211,7 @@ date2datefmt mail.out \
     | sed '/^trac-admin/d; s/^\(REV_FILE_SIZE=\).*\( #\)/\1???\2/' \
     >"$TEST_KEY.mail.out"
 file_cmp "$TEST_KEY.mail.out" "$TEST_KEY.mail.out" <<__LOG__
--s [post-commit-bg] $REPOS_PATH@$REV fcm.admin.team
+-rnotifications@localhost -s [post-commit-bg] $REPOS_PATH@$REV fcm.admin.team
 YYYY-mm-ddTHH:MM:SSZ+ $REV by $USER
 svnadmin dump -r$REV --incremental --deltas $REPOS_PATH | gzip \\
     | (dd 'conv=fsync' "of=$PWD/svn-dumps/foo-$REV-tmp.gz" 2>/dev/null)
@@ -244,7 +244,7 @@ date2datefmt mail.out \
     | sed '/^trac-admin/d; s/^\(REV_FILE_SIZE=\).*\( #\)/\1???\2/' \
     >"${TEST_KEY}.mail.out"
 file_cmp "${TEST_KEY}.mail.out" "${TEST_KEY}.mail.out" <<__LOG__
--s [post-commit-bg] ${REPOS_PATH}@${REV} fcm.admin.team
+-rnotifications@localhost -s [post-commit-bg] ${REPOS_PATH}@${REV} fcm.admin.team
 YYYY-mm-ddTHH:MM:SSZ+ ${REV} by ${USER}
 svnadmin dump -r${REV} --incremental --deltas ${REPOS_PATH} | gzip \\
     | (dd 'conv=fsync' "of=${PWD}/svn-dumps/foo-${REV}-tmp.gz" 2>/dev/null)