Redmine/app/views/mailer/account_information.rhtml

<% if @user.auth_source %>You can use your "<%= @user.auth_source.name %>" account to log into Redmine.
<% else %>Your Redmine account information:
* Login:    <%= @user.login %>
* Password: <%= @password %>
<% end %>
Log in: <%= url_for :only_path => false, :host => Setting.host_name, :controller => 'account', :action => 'login' %>
<% unless @user.auth_source %>
You can change your password here: <%= url_for :only_path => false, :host => Setting.host_name, :controller => 'my', :action => 'account' %>
<% end %>

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<%= Setting.emails_footer %>