Emailed cron output incorrectly linkified in GMail

[jsha]

My operating system is (include version):

$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.5 LTS"

I installed Certbot with (certbot-auto, OS package manager, pip, etc):

certbot-auto

I ran this command and it produced this output:

(in root's crontab)
/home/jsha/certbot-auto -q renew

Certbot's behavior differed from what I expected because:

Output was:

/home/jsha/certbot-auto has insecure permissions!
To learn how to fix them, visit https://community.letsencrypt.org/t/certbot-auto-deployment-best-practices/91979/
/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/cryptography/hazmat/primitives/constant_time.py:26: CryptographyDeprecationWarning: Support for your Python version is deprecated. The next version of cryptography will remove support. Please upgrade to a 2.7.x release that supports hmac.compare_digest as soon as possible.
  utils.PersistentlyDeprecated2018,

GMail linkifies that first URL by combining it with the file path on the next line, to produce https://community.letsencrypt.org/t/certbot-auto-deployment-best-practices/91979//opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/cryptography/hazmat/primitives/constant_time.py:26 (which is a 404). I think we can fix this by ensuring there's an extra newline after any message we echo with a URL. Possibly an extra space at the end of the line would also work, or phrasing the message so the URL is in the middle of the line.

[stale]

We've made a lot of changes to Certbot since this issue was opened. If you still have this issue with an up-to-date version of Certbot, can you please add a comment letting us know? This helps us to better see what issues are still affecting our users. If there is no activity in the next 30 days, this issue will be automatically closed.

[jsha]

Since we're phasing out certbot-auto, I think this can be closed.