Installed letter_opener

Gemfile

@@ -50,6 +50,8 @@ end
 group :development do
   # Use console on exceptions pages [https://github.com/rails/web-console]
   gem "web-console"
+
+  gem "letter_opener"
 end
 
 group :test do

Gemfile.lock

@@ -93,6 +93,8 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
+    childprocess (5.1.0)
+      logger (~> 1.5)
     concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
     crass (1.0.6)
@@ -119,6 +121,11 @@ GEM
       activesupport (>= 5.0.0)
     json (2.7.2)
     language_server-protocol (3.17.0.3)
+    launchy (3.0.1)
+      addressable (~> 2.8)
+      childprocess (~> 5.0)
+    letter_opener (1.10.0)
+      launchy (>= 2.2, < 4)
     logger (1.6.0)
     loofah (2.22.0)
       crass (~> 1.0.2)
@@ -331,6 +338,7 @@ DEPENDENCIES
   debug
   importmap-rails
   jbuilder
+  letter_opener
   puma (>= 5.0)
   rails (~> 7.2.0)
   rubocop-rails-omakase

config/environments/development.rb

@@ -78,4 +78,7 @@ Rails.application.configure do
 
   # Apply autocorrection by RuboCop to files generated by `bin/rails generate`.
   # config.generators.apply_rubocop_autocorrect_after_generate!
+
+  config.action_mailer.delivery_method = :letter_opener
+  config.action_mailer.perform_deliveries = true
 end