send-html-email.rb

# frozen_string_literal: true

# This script will automatically send an HTML email to the
# SMTP server given.

require 'mail'
require 'net/smtp'

from = ARGV[0]
to = ARGV[1]

if from.nil? || to.nil?
  puts "Usage: ruby send-html-email.rb <from> <to>"
  exit 1
end


mail = Mail.new
mail.to = to
mail.from = from
mail.subject = "A test email from #{Time.now.to_s}"
mail['X-Postal-Tag'] = 'send-html-email-script'
mail.text_part = Mail::Part.new do
  body <<~BODY
    Hello there.

    This is an example. It doesn't do all that much.

    Some other characters: őúéáűí

    There is a link here through... https://postalserver.io/test-plain-text-link?foo=bar&baz=qux
  BODY
end
mail.html_part = Mail::Part.new do
  content_type 'text/html; charset=UTF-8'
  body <<~BODY
    <p>Hello there</p>
    <p>This is an example email. It doesn't do all that much.</p>
    <p>Some other characters: őúéáűí</p>
    <p>There is a <a href='https://postalserver.io/test-plain-text-link?foo=bar&baz=qux'>link here</a> though...</p>
  BODY
end

#puts mail.to_s

Net::SMTP.start('127.0.0.1', 2525) do |smtp|
  smtp.send_message mail.to_s, mail.from.first, mail.to.first
end

puts "Sent"