diff --git a/app/mailers/users_mailer.rb b/app/mailers/users_mailer.rb
index 111a4247..c7293a75 100644
--- a/app/mailers/users_mailer.rb
+++ b/app/mailers/users_mailer.rb
@@ -4,24 +4,24 @@ class UsersMailer < ApplicationMailer
   def welcome
     @user = params[:user]
 
-    mail(to: @user.email, subject: 'Welcome to Dawarich')
+    mail(to: @user.email, subject: 'Welcome to Dawarich!')
   end
 
   def explore_features
     @user = params[:user]
 
-    mail(to: @user.email, subject: 'Explore Dawarich features')
+    mail(to: @user.email, subject: 'Explore Dawarich features!')
   end
 
   def trial_expires_soon
     @user = params[:user]
 
-    mail(to: @user.email, subject: 'Your Dawarich trial expires in 2 days')
+    mail(to: @user.email, subject: '⚠️ Your Dawarich trial expires in 2 days')
   end
 
   def trial_expired
     @user = params[:user]
 
-    mail(to: @user.email, subject: 'Your Dawarich trial expired')
+    mail(to: @user.email, subject: '💔 Your Dawarich trial expired')
   end
 end
diff --git a/spec/mailers/users_mailer_spec.rb b/spec/mailers/users_mailer_spec.rb
index 844fcfd6..11789e2b 100644
--- a/spec/mailers/users_mailer_spec.rb
+++ b/spec/mailers/users_mailer_spec.rb
@@ -13,7 +13,7 @@ RSpec.describe UsersMailer, type: :mailer do
     let(:mail) { UsersMailer.with(user: user).welcome }
 
     it "renders the headers" do
-      expect(mail.subject).to eq("Welcome to Dawarich")
+      expect(mail.subject).to eq("Welcome to Dawarich!")
       expect(mail.to).to eq(["test@example.com"])
     end
 
@@ -26,7 +26,7 @@ RSpec.describe UsersMailer, type: :mailer do
     let(:mail) { UsersMailer.with(user: user).explore_features }
 
     it "renders the headers" do
-      expect(mail.subject).to eq("Explore Dawarich features")
+      expect(mail.subject).to eq("Explore Dawarich features!")
       expect(mail.to).to eq(["test@example.com"])
     end
   end
@@ -35,7 +35,7 @@ RSpec.describe UsersMailer, type: :mailer do
     let(:mail) { UsersMailer.with(user: user).trial_expires_soon }
 
     it "renders the headers" do
-      expect(mail.subject).to eq("Your Dawarich trial expires in 2 days")
+      expect(mail.subject).to eq("⚠️ Your Dawarich trial expires in 2 days")
       expect(mail.to).to eq(["test@example.com"])
     end
   end
@@ -44,7 +44,7 @@ RSpec.describe UsersMailer, type: :mailer do
     let(:mail) { UsersMailer.with(user: user).trial_expired }
 
     it "renders the headers" do
-      expect(mail.subject).to eq("Your Dawarich trial expired")
+      expect(mail.subject).to eq("💔 Your Dawarich trial expired")
       expect(mail.to).to eq(["test@example.com"])
     end
   end