#312 Sending HTML Email

Jan 02, 2012 | 5 minutes | Tools, Mailing

HTML email can be difficult to code because any CSS should be made inline. Here I present a few tools for doing this including the premailer-rails3 and roadie gems.

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Resources

terminal

rails new mailit
cd mailit
rails g mailer newsletter_mailer weekly
bundle
rails c

Gemfile

gem 'roadie'
# or
gem 'hpricot'
gem 'premailer-rails3'

app/mailers/newsletter_mailer.rb

def weekly(email)
 mail to: email, subject: "RailsCasts Weekly"
end

config/environments/development.rb

config.action_mailer.default_url_options = { host: "railscasts.com" }
config.action_mailer.raise_delivery_errors = true
config.action_mailer.delivery_method = :smtp
config.action_mailer.smtp_settings = {
 address: "smtp.gmail.com",
 port: 587,
 domain: "railscasts.com",
 authentication: "plain",
 enable_starttls_auto: true,
 user_name: ENV["GMAIL_USERNAME"],
 password: ENV["GMAIL_PASSWORD"]
}

rails console

NewsletterMailer.weekly("foo@example.com").deliver