takes into account emails separated by commas without spaces

app/controllers/management/user_invites_controller.rb

@@ -4,7 +4,7 @@ class Management::UserInvitesController < Management::BaseController
   end
 
   def create
-    @emails = params[:emails].split
+    @emails = params[:emails].split(",").map(&:strip)
     @emails.each do |email|
       Mailer.user_invite(email).deliver_later
     end

spec/features/emails_spec.rb

@@ -237,7 +237,7 @@ feature 'Emails' do
       login_as_manager
       visit new_management_user_invite_path
 
-      fill_in "emails", with: "john@example.com, ana@example.com, isable@example.com"
+      fill_in "emails", with: " john@example.com, ana@example.com,isable@example.com "
       click_button "Send invites"
 
       expect(page).to have_content "3 invitations have been sent."