select_options_tag.rb

def select_options_tag(name='',select_options={},options={})
  #set selected from value
  selected = ''
  unless options[:value].blank?
    selected = options[:value]
    options.delete(:value)
  end
  select_tag(name,options_for_select(select_options,selected),options)
end

##

<%= select_options_tag :account, current_user.smtp_accounts.map{ |a| [a.name,a.name] } %>

## By 'grosser', found:
## http://apidock.com/rails/ActionView/Helpers/FormTagHelper/select_tag