FileDelivery class delivers emails into multiple files based on the destination address. Each file is appended to if it already exists.
So if you have an email going to fred@test, bob@test, joe@anothertest, and you set your location path to /path/to/mails then FileDelivery will create the directory if it does not exist, and put one copy of the email in three files, called by their message id
Make sure the path you specify with :location is writable by the Ruby process running Mail.
# File lib/mail/network/delivery_methods/file_delivery.rb, line 30 def deliver!(mail) check_delivery_params(mail) if ::File.respond_to?(:makedirs) ::File.makedirs settings[:location] else ::FileUtils.mkdir_p settings[:location] end mail.destinations.uniq.each do |to| ::File.open(::File.join(settings[:location], File.basename(to.to_s)), 'a') { |f| "#{f.write(mail.encoded)}\r\n\r\n" } end end
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