app/mailers/system_mailer.rb

@@ -8,6 +8,13 @@ class SystemMailer < ActionMailer::Base

                 
              

                     mail_options = { to: options[:to], subject: options[:subject] }
              

                     mail_options[:from] = options[:from] if options[:from].present?
              

                -    mail(mail_options)
              

                +    if options[:content_type].present?
              

                +      mail(mail_options) do |format|
              

                +        format.text if options[:content_type] == "text/plain"
              

                +        format.html if options[:content_type] == "text/html"
              

                +      end
              

                +    else
              

                +      mail(mail_options)
              

                +    end
              

                   end
              

                 end
              

app/models/agents/email_agent.rb

@@ -23,6 +23,8 @@ module Agents

                 
              

                       You can provide a `from` address for the email, or leave it blank to default to the value of `EMAIL_FROM_ADDRESS` (`#{ENV['EMAIL_FROM_ADDRESS']}`).
              

                 
              

                +      You can provide a `content_type` for the email and specify `text/plain` or `text/html` to be sent.
              

                +
              

                       Set `expected_receive_period_in_days` to the maximum amount of time that you'd expect to pass between Events being received by this Agent.
              

                     MD
              

                 
              
@@ -44,6 +46,7 @@ module Agents

                             subject: interpolated(event)['subject'],
              

                             headline: interpolated(event)['headline'],
              

                             body: interpolated(event)['body'],
              

                +            content_type: interpolated(event)['content_type'],
              

                             groups: [present(event.payload)]
              

                           ).deliver_later
              

                         end