class DumpMailer < ApplicationMailer default from: "paktikum@marzell.net" def daily_dump(zip_path) attachments[File.basename(zip_path)] = File.read(zip_path) mail( to: "christoph@marzell.net", subject: "📦 Täglicher SQL Dump" ) do |format| format.text { render plain: "Dump im Anhang." } end end end