You can configure when this IncinerationJob will be run as a time-after-processing using the config.action_mailbox.incinerate_after or ActionMailbox.incinerate_after setting.

Since this incineration is set for the future, it'll automatically ignore any InboundEmails that have already been deleted and discard itself if so.

You can disable incinerating processed emails by setting config.action_mailbox.incinerate or ActionMailbox.incinerate to false.

Methods
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Class Public methods
schedule(inbound_email)

Source: show | on GitHub 

# File actionmailbox/app/jobs/action_mailbox/incineration_job.rb, line 17
def self.schedule(inbound_email)
  set(wait: ActionMailbox.incinerate_after).perform_later(inbound_email)
end
Instance Public methods
perform(inbound_email)

Source: show | on GitHub 

# File actionmailbox/app/jobs/action_mailbox/incineration_job.rb, line 21
def perform(inbound_email)
  inbound_email.incinerate
end