Subject: Two-Factor authentication enabled
From: Slack <[email-masked]>
To: [email-masked]
Date: Mon, 9 May 2016 18:13:59 -0700

Two-Factor authentication has been successfully enabled for your account
on HFA. Don't forget to print a set of your backup codes[1] for
safekeeping.

If you made this change, then you're all set! If you did not enable
two-factor authentication, please notify your Team Owner or admin
immediately.  

If you have questions on how to use two-factor authentication with your
team, please visit our FAQ[2] or reach out to us at [email-masked]. 

[1]
https://hillaryclinton.slack.com/x-41500787122-41490573861/account/settings#two_factor
[2]
https://slack.zendesk.com/hc/en-us/articles/204509068-Enabling-two-factor-authentication