diff --git a/server/templates/email/generatedpassword/subject.pug b/server/templates/email/generatedpassword/subject.pug
index 518ef82aa..2768f12b0 100644
--- a/server/templates/email/generatedpassword/subject.pug
+++ b/server/templates/email/generatedpassword/subject.pug
@@ -1 +1 @@
-= `Account Information - ${applicationTitle}`
+!= `Account Information [${applicationTitle}]`
diff --git a/server/templates/email/media-request/subject.pug b/server/templates/email/media-request/subject.pug
index e1c43065f..a0f50fbab 100644
--- a/server/templates/email/media-request/subject.pug
+++ b/server/templates/email/media-request/subject.pug
@@ -1 +1 @@
-= `${requestType}: ${mediaName} - ${applicationTitle}`
+!= `${requestType} - ${mediaName} [${applicationTitle}]`
diff --git a/server/templates/email/resetpassword/subject.pug b/server/templates/email/resetpassword/subject.pug
index e9135b7e4..0751d7452 100644
--- a/server/templates/email/resetpassword/subject.pug
+++ b/server/templates/email/resetpassword/subject.pug
@@ -1 +1 @@
-= `Password Reset - ${applicationTitle}`
+!= `Password Reset [${applicationTitle}]`
diff --git a/server/templates/email/test-email/subject.pug b/server/templates/email/test-email/subject.pug
index c138fe152..64ce0add4 100644
--- a/server/templates/email/test-email/subject.pug
+++ b/server/templates/email/test-email/subject.pug
@@ -1 +1 @@
-= `Test Notification - ${applicationTitle}`
+!= `Test Notification [${applicationTitle}]`