This file is indexed.

/etc/mixmaster/remailer/end.hlp is in mixmaster 3.0.0-7.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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Abuse Policy:

Unfortunately, there will always be a very small percentage of
individuals that choose to abuse the anonymity that this and similar
systems worldwide afford to send otherwise unwelcome email. The
%RMN does not condone such messages, or their content,
in any way.

Just as the Post Office is unable to prevent abuse of the mail system as
long as there are public mailboxes into which a person can drop a letter
without including a return address, the %RMN cannot preemptively
prevent irresponsible individuals from using this system to send
inappropriate messages. However, unlike the Post Office, this remailer
enables you to assure that you will not be inconvenienced by users of
this remailer in the future.

To block the users of this remailer from sending email to your address,
please send a message to <%RMA>
containing the line

DESTINATION-BLOCK

anywhere in the body text of the email.  You can simply reply to this
message using your email program and send back this entire message for
your current email address to be permanently blocked from users of the
%RMN.

For additional information on this remailer's abuse policy, instructions
on how to block more than one email address, and to reach the
%RMN operator, please send
email to <%CA>.
  
Thank you for your interest in secure and private communications,

-- The %RMN Administrator