lib/tasks/mailers.rake
namespace :mailers do
task popular_protips: :environment do
from = 60.days.ago
to = 0.days.ago
user = User.find_by_username('mcansky')
protips = ProtipMailer::Queries.popular_protips(from, to)
ProtipMailer.popular_protips(user, protips, from, to).deliver
end
end