diff --git a/actionmailer/lib/action_mailer/base.rb b/actionmailer/lib/action_mailer/base.rb
index 09fc9a35b57f3..ad733e31fe30f 100644
--- a/actionmailer/lib/action_mailer/base.rb
+++ b/actionmailer/lib/action_mailer/base.rb
@@ -342,6 +342,29 @@ module ActionMailer
# using before_action rather than after_action in your
# Action Mailer classes so that headers are parsed properly.
#
+ # = Rescuing Errors
+ #
+ # +rescue+ blocks inside of a mailer method cannot rescue errors that occur
+ # outside of rendering -- for example, record deserialization errors in a
+ # background job, or errors from a third-party mail delivery service.
+ #
+ # To rescue errors that occur during any part of the mailing process, use
+ # {rescue_from}[rdoc-ref:ActiveSupport::Rescuable::ClassMethods#rescue_from]:
+ #
+ # class NotifierMailer < ApplicationMailer
+ # rescue_from ActiveJob::DeserializationError do
+ # # ...
+ # end
+ #
+ # rescue_from "SomeThirdPartyService::ApiError" do
+ # # ...
+ # end
+ #
+ # def notify(recipient)
+ # mail(to: recipient, subject: "Notification")
+ # end
+ # end
+ #
# = Previewing emails
#
# You can preview your email templates visually by adding a mailer preview file to the