diff --git a/.env-example b/.env-example
index 6fc3cd1b..c6085d51 100644
--- a/.env-example
+++ b/.env-example
@@ -1,11 +1,7 @@
-SECRET_KEY_BASE=
 ALLOWED_CORS_ORIGINS=*
 RAILS_SERVE_STATIC_FILES=true
 ENABLE_AUTHENTICATION=
 DEVISE_SECRET_KEY=
 DEVISE_PEPPER=
-MAILER_SENDER=
-DEFAULT_URL=
-DEFAULT_PORT=
-SANITIZED_ALLOWED_TAGS="strong b em i ul ol li br a div span img h1 h2 h3 h4 h5 h6"
+SANITIZED_ALLOWED_TAGS="strong b em i ul ol li br a div span img h1 h2 h3 h4 h5 h6 p"
 SANITIZED_ALLOWED_ATTRIBUTES="href style"
diff --git a/config/initializers/devise.rb b/config/initializers/devise.rb
index 1bfe798a..9d676df9 100644
--- a/config/initializers/devise.rb
+++ b/config/initializers/devise.rb
@@ -36,7 +36,7 @@
   # Configure the e-mail address which will be shown in Devise::Mailer,
   # note that it will be overwritten if you use your own mailer class
   # with default "from" parameter.
-  config.mailer_sender = ENV['MAILER_SENDER']
+  config.mailer_sender = Rails.application.credentials.email_from
 
   # Configure the class responsible to send e-mails.
   # config.mailer = 'Devise::Mailer'