Redmine

    begin

      mail_from = Mail::Address.new(Setting.mail_from)

      if mail_from.display_name.blank? && mail_from.comments.blank?

        mail_from.display_name =

          @author&.logged? ? @author.name : Setting.app_title

      end

      header_from = mail_from.format

      header_list_id = "<#{mail_from.address.to_s.tr('@', '.')}>"

    rescue Mail::Field::IncompleteParseError

       # Use Setting.mail_from as it is if Mail::Address cannot parse it

       # (probably the emission address is not RFC compliant)

      header_from = Setting.mail_from.to_s

      header_list_id = "<#{header_from.tr('@', '.')}>"

            'From' => header_from,

            'List-Id' => header_list_id

  def test_from_header_with_rfc_non_compliant_phrase

    # Send out the email instead of raising an exception

    # no matter if the emission email address is not RFC compliant

    assert_nothing_raised do

      with_settings :mail_from => '[Redmine app] <redmine@example.net>' do

        Mailer.deliver_test_email(User.find(1))

      end

    end

    mail = last_email

    assert_match /<redmine@example\.net>/, mail.from_addrs.first

    assert_equal '[Redmine app] <redmine@example.net>', mail.header['From'].to_s

  end