diff --git a/app/jobs/user_archive_job.rb b/app/jobs/user_archive_job.rb
index ca30af5c..06b27632 100644
--- a/app/jobs/user_archive_job.rb
+++ b/app/jobs/user_archive_job.rb
@@ -20,7 +20,7 @@ def create_global_archive_user
 
     User.create!(id: ARCHIVE_USER_ID,
                  username: 'archived.user',
-                 email: 'ict@csvalpha.nl',
+                 email: Rails.application.config.x.ict_email,
                  first_name: 'Gearchiveerde',
                  last_name: 'Gebruiker',
                  address: 'Onbekend',
diff --git a/app/mailers/application_mailer.rb b/app/mailers/application_mailer.rb
index 529e5da1..7c76a405 100644
--- a/app/mailers/application_mailer.rb
+++ b/app/mailers/application_mailer.rb
@@ -1,4 +1,4 @@
 class ApplicationMailer < ActionMailer::Base
-  default from: 'no-reply@csvalpha.nl'
+  default from: Rails.application.config.x.noreply_email
   layout 'mailer'
 end
diff --git a/app/mailers/mail_smtp_mailer.rb b/app/mailers/mail_smtp_mailer.rb
index de9035ef..81643706 100644
--- a/app/mailers/mail_smtp_mailer.rb
+++ b/app/mailers/mail_smtp_mailer.rb
@@ -12,14 +12,14 @@ def enabled_email(mail_alias, password)
   #   since we do not want to send the password to mail management
   def notify_management_enable_email(mail_alias)
     @mail_alias = mail_alias
-    mail to: 'mailbeheer@csvalpha.nl',
+    mail to: Rails.application.config.x.mailbeheer_email,
          subject: "SMTP account voor #{mail_alias.email} aangemaakt"
   end
 
   # Mail to notify the user and mail management that their SMTP is removed
   def disabled_email(mail_alias)
     @mail_alias = mail_alias
-    mail to: 'mailbeheer@csvalpha.nl', bcc: mail_alias.mail_addresses,
+    mail to: Rails.application.config.x.mailbeheer_email, bcc: mail_alias.mail_addresses,
          subject: "SMTP account voor #{mail_alias.email} opgeheven"
   end
 end
diff --git a/app/mailers/user_cleanup_mailer.rb b/app/mailers/user_cleanup_mailer.rb
index 54b29b37..c4dc77de 100644
--- a/app/mailers/user_cleanup_mailer.rb
+++ b/app/mailers/user_cleanup_mailer.rb
@@ -6,6 +6,6 @@ def cleanup_email(will_archive_users, archived_users)
               ' staan op het punt gearchiveerd te worden'
     subject = 'Er zijn gebruikers gearchiveerd!' if @will_archive_users.empty?
 
-    mail to: 'ict@csvalpha.nl;bestuur@csvalpha.nl', subject:
+    mail to: Rails.application.config.x.privacy_email, subject:
   end
 end
diff --git a/app/mailers/user_export_mailer.rb b/app/mailers/user_export_mailer.rb
index abed5cbd..9f1d53de 100644
--- a/app/mailers/user_export_mailer.rb
+++ b/app/mailers/user_export_mailer.rb
@@ -4,6 +4,7 @@ def privacy_notification_email(exporting_user, group, fields, description)
     @group = group
     @fields = fields
     @description = description
-    mail to: 'privacy@csvalpha.nl', subject: '[Privacy] Er is een database-export gemaakt' # rubocop:disable Rails/I18nLocaleTexts
+    mail to: Rails.application.config.x.privacy_email,
+         subject: '[Privacy] Er is een database-export gemaakt' # rubocop:disable Rails/I18nLocaleTexts
   end
 end
diff --git a/app/views/mail_bounce_mailer/address_unknown.html.erb b/app/views/mail_bounce_mailer/address_unknown.html.erb
index ab441ae7..c8e5e6e2 100644
--- a/app/views/mail_bounce_mailer/address_unknown.html.erb
+++ b/app/views/mail_bounce_mailer/address_unknown.html.erb
@@ -1,4 +1,4 @@
 U heeft geprobeerd een mail te versturen naar een @csvalpha.nl mailadres. Deze kan helaas niet bezorgd worden. Het gebruikte mailadres <b><%= @to %></b> is namelijk niet in gebruik. Controleer het mailadres nogmaals.
 <br/><br/>
 
-Mocht u zeker zijn dat het mailadres klopt of niet weten welk mailadres u moet gebruiken kunt u mailen naar abactis@csvalpha.nl
+Mocht u zeker zijn dat het mailadres klopt of niet weten welk mailadres u moet gebruiken kunt u mailen naar <a href="mailto:<%= Rails.application.config.x.ict_email %>" style="color: #adb5bd"><%= Rails.application.config.x.ict_email %></a>
diff --git a/app/views/mail_bounce_mailer/mail_bounced.html.erb b/app/views/mail_bounce_mailer/mail_bounced.html.erb
index e7b4ce67..daad768b 100644
--- a/app/views/mail_bounce_mailer/mail_bounced.html.erb
+++ b/app/views/mail_bounce_mailer/mail_bounced.html.erb
@@ -1,4 +1,5 @@
 Uw bericht met als onderwerp "<%= @subject %>" aan "<%= @to %>" is helaas niet succesvol afgeleverd.<br/>
 De reden hiervoor is: <b><%= @reason %></b>. Mocht dit een bericht aan een mailgroep zijn kan het ook zijn dat het bericht maar bij één ontvanger niet is aangekomen.<br/><br/>
 
-Voor meer vragen kunt u mailen naar mailbeheer@csvalpha.nl
+Voor meer vragen kunt u mailen naar <a href="mailto:<%= Rails.application.config.x.ict_email %>" style="color: #adb5bd"><%= Rails.application.config.x.ict_email %></a>
+
diff --git a/app/views/user_cleanup_mailer/cleanup_email.erb b/app/views/user_cleanup_mailer/cleanup_email.erb
index d1af789b..235c96e5 100644
--- a/app/views/user_cleanup_mailer/cleanup_email.erb
+++ b/app/views/user_cleanup_mailer/cleanup_email.erb
@@ -8,7 +8,7 @@
     - <%= user.full_name %>
   <% end %><br/><br/>
 
-  Vergeet niet de lidmaatschapsformulieren van deze leden te vernietigd. Als dit gebeurd is zouden we dan op de hoogte kunnen worden gebracht door middel van een mailtje naar privacy@csvalpha.nl.
+  Vergeet niet de lidmaatschapsformulieren van deze leden te vernietigd. Als dit gebeurd is zouden we dan op de hoogte kunnen worden gebracht door middel van een mailtje naar <%= Rails.application.config.x.privacy_email %>.
 
 <% end %>
 <br/>
diff --git a/config/application.rb b/config/application.rb
index 18efd06c..7158b5ae 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -81,5 +81,10 @@ class Application < Rails::Application
     config.x.google_api_key = credentials.dig(Rails.env.to_sym, :google_api_key)
 
     config.x.healthcheck_ids = credentials.dig(Rails.env.to_sym, :healthcheck_ids)
+
+    config.x.noreply_email = ENV.fetch('NOREPLY_EMAIL', 'no-reply@csvalpha.com')
+    config.x.ict_email = ENV.fetch('ICT_EMAIL', 'ict@csvalpha.com')
+    config.x.privacy_email = ENV.fetch('PRIVACY_EMAIL', 'privacy@csvalpha.com')
+    config.x.mailbeheer_email = ENV.fetch('PRIVACY_EMAIL', 'mailbeheer@csvalpha.com')
   end
 end
diff --git a/db/migrate/20241027103012_create_study_room_presence.rb b/db/migrate/20241027103012_create_study_room_presence.rb
index d7133dc2..1d385f8e 100644
--- a/db/migrate/20241027103012_create_study_room_presence.rb
+++ b/db/migrate/20241027103012_create_study_room_presence.rb
@@ -8,10 +8,10 @@ def change
       t.datetime :deleted_at
       t.timestamps
     end
-  end
 
-  Permission.create(name: 'study_room_presence.create')
-  Permission.create(name: 'study_room_presence.read')
-  Permission.create(name: 'study_room_presence.update')
-  Permission.create(name: 'study_room_presence.destroy')
+    Permission.find_or_create_by!(name: 'study_room_presence.create')
+    Permission.find_or_create_by!(name: 'study_room_presence.read')
+    Permission.find_or_create_by!(name: 'study_room_presence.update')
+    Permission.find_or_create_by!(name: 'study_room_presence.destroy')
+  end
 end
diff --git a/db/schema.rb b/db/schema.rb
index ce28ee93..1d334e5b 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,6 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 ActiveRecord::Schema[7.0].define(version: 2024_11_13_104056) do
+  
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -484,7 +485,7 @@
     t.index ["datetime"], name: "index_quickpost_messages_on_datetime"
     t.index ["deleted_at"], name: "index_quickpost_messages_on_deleted_at"
   end
-
+  
   create_table "room_adverts", force: :cascade do |t|
     t.string "house_name", null: false
     t.string "contact", null: false
diff --git a/spec/jobs/smtp_job_spec.rb b/spec/jobs/smtp_job_spec.rb
index 247b798f..37867317 100644
--- a/spec/jobs/smtp_job_spec.rb
+++ b/spec/jobs/smtp_job_spec.rb
@@ -25,7 +25,7 @@
       it { expect(mail.bcc).to eq mail_alias.mail_addresses }
       it { expect(mail.subject).to eq "Je kunt nu mail versturen vanaf #{mail_alias.email}!" }
 
-      it { expect(management_mail.to).to eq ['mailbeheer@csvalpha.nl'] }
+      it { expect(management_mail.to).to eq [Rails.application.config.x.mailbeheer_email] }
 
       it {
         expect(management_mail.subject).to eq "SMTP account voor #{mail_alias.email} aangemaakt"
@@ -47,7 +47,7 @@
 
       it { expect(client).to have_received(:delete_smtp) }
       it { expect(mail.bcc).to eq mail_alias.mail_addresses }
-      it { expect(mail.to).to eq ['mailbeheer@csvalpha.nl'] }
+      it { expect(mail.to).to eq [Rails.application.config.x.mailbeheer_email] }
       it { expect(mail.subject).to eq "SMTP account voor #{mail_alias.email} opgeheven" }
     end
   end
diff --git a/spec/jobs/user_cleanup_job_spec.rb b/spec/jobs/user_cleanup_job_spec.rb
index e86fd21f..97d49b68 100644
--- a/spec/jobs/user_cleanup_job_spec.rb
+++ b/spec/jobs/user_cleanup_job_spec.rb
@@ -35,8 +35,7 @@
 
     context 'when with will archive and archived users' do
       it { expect(ActionMailer::Base.deliveries.count).to eq 1 }
-      it { expect(email.to).to include 'bestuur@csvalpha.nl' }
-      it { expect(email.to).to include 'ict@csvalpha.nl' }
+      it { expect(email.to).to include Rails.application.config.x.privacy_email }
       it { expect(email.body.to_s).to include(almost_archive_user.full_name) }
       it { expect(email.body.to_s).not_to include(user.full_name) }
       it { expect(email.body.to_s).to include('Er is 1 gebruiker gearchiveerd.') }
diff --git a/spec/jobs/user_export_mailer_job_spec.rb b/spec/jobs/user_export_mailer_job_spec.rb
index 908c9992..a82f6ecc 100644
--- a/spec/jobs/user_export_mailer_job_spec.rb
+++ b/spec/jobs/user_export_mailer_job_spec.rb
@@ -18,7 +18,7 @@
     end
 
     it { expect(ActionMailer::Base.deliveries.count).to eq 1 }
-    it { expect(privacy_notification_email.to.first).to eq 'privacy@csvalpha.nl' }
+    it { expect(privacy_notification_email.to).to eq [Rails.application.config.x.privacy_email] }
     it { expect(privacy_notification_email.body.to_s).to include(exporting_user.full_name) }
     it { expect(privacy_notification_email.body.to_s).to include(group.name) }
     it { expect(privacy_notification_email.body.to_s).to include(fields.join(', ')) }