diff --git a/app/mailers/application_mailer.rb b/app/mailers/application_mailer.rb
index 286b223..4d52f34 100644
--- a/app/mailers/application_mailer.rb
+++ b/app/mailers/application_mailer.rb
@@ -1,4 +1,4 @@
 class ApplicationMailer < ActionMailer::Base
-  default from: 'from@example.com'
+  default from: 'pomoc@kalendarzdotacji.pl'
   layout 'mailer'
 end
diff --git a/app/mailers/new_dotation_mailer.rb b/app/mailers/new_dotation_mailer.rb
index b30106a..c5ac940 100644
--- a/app/mailers/new_dotation_mailer.rb
+++ b/app/mailers/new_dotation_mailer.rb
@@ -2,7 +2,7 @@
 
 # Mailer for dotations
 class NewDotationMailer < ApplicationMailer
-  default from: 'kalendarzdotacji@gmail.com'
+  default from: 'pomoc@kalendarzdotacji.pl'
 
   def welcome_email
     @email_filter = FilterForEmail.where(id: params[:email_filter]).first
diff --git a/app/mailers/notify_email_mailer.rb b/app/mailers/notify_email_mailer.rb
index f79f350..ff645c4 100644
--- a/app/mailers/notify_email_mailer.rb
+++ b/app/mailers/notify_email_mailer.rb
@@ -2,7 +2,7 @@
 
 # Mailer for dotations
 class NotifyEmailMailer < ApplicationMailer
-  default from: 'kalendarzdotacji@gmail.com'
+  default from: 'pomoc@kalendarzdotacji.pl'
 
   def contact_page
     @email_message = EmailMessage.where(id: params[:email]).first
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 0269dc7..e626704 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -37,11 +37,11 @@ Rails.application.configure do
   config.action_mailer.default_url_options = { host: 'localhost', port: 3434 }
   config.action_mailer.delivery_method = :smtp
   config.action_mailer.smtp_settings = {
-    address:              'smtp.gmail.com',
+    address:              'smtp-exacta.super-host.pl',
     port:                 587,
     domain:               'kalendarzdotacji.pl',
-    user_name:            'kalendarzdotacji@gmail.com',
-    password:             '498FAvFd4YBapu5',
+    user_name:            'pomoc.kalendarzdotacji.exacta',
+    password:             'SM15H1HztzirB',
     authentication:       'plain',
     enable_starttls_auto: true
   }
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 091aa28..346e16a 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -70,11 +70,11 @@ Rails.application.configure do
   config.action_mailer.default_url_options = { host: 'localhost', port: 3434 }
   config.action_mailer.delivery_method = :smtp
   config.action_mailer.smtp_settings = {
-    address:              'smtp.gmail.com',
+    address:              'smtp-exacta.super-host.pl',
     port:                 587,
     domain:               'kalendarzdotacji.pl',
-    user_name:            'kalendarzdotacji@gmail.com',
-    password:             '498FAvFd4YBapu5',
+    user_name:            'pomoc.kalendarzdotacji.exacta',
+    password:             'SM15H1HztzirB',
     authentication:       'plain',
     enable_starttls_auto: true
   }