Weird...
None of yours got mangled (at least in my copy of your email) but scrolling down I see the URL in my sig is now ProofPointed as well as my google.com URLs in the quoted part of your response.
The Fermilab ProofPoint settings seem to be a bit mysterious.


Serguei Mokhov wrote on 7/24/18 1:54 PM:
Certainly a counterproductive decision for Fermilab and the mailing
list users. Not to mention privacy-violation redirecting to 3rd party
trackers... I'd admit with this URL mangling, I'd be more reluctant to
click URLs in the emails :)

Let's see if these gets mangled:

https://urldefense.proofpoint.com/v2/url?u=http-3A__www.google.com&d=DwICaQ&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=ZGI1z1l3vfqoHxT9bkh2uTtKg-5zoSMkjMa7dJwVne0&s=nqcqCYyYafmVYrQM4k8j6RTbffl_OK4TwW88Tp8BUsY&e=
"https://urldefense.proofpoint.com/v2/url?u=http-3A__www.google.com&d=DwICaQ&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=ZGI1z1l3vfqoHxT9bkh2uTtKg-5zoSMkjMa7dJwVne0&s=nqcqCYyYafmVYrQM4k8j6RTbffl_OK4TwW88Tp8BUsY&e=";
google.com
cnn.com
cbc.ca
"github.com"
https://urldefense.proofpoint.com/v2/url?u=http-3A__localhost&d=DwICaQ&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=ZGI1z1l3vfqoHxT9bkh2uTtKg-5zoSMkjMa7dJwVne0&s=INI4G8jasFk0qatIiVrK7ndowa48nV-He-K2gNoIkII&e=

and URLs in sig...

-s


On Tue, Jul 24, 2018 at 2:45 PM, P. Larry Nelson <lnel...@illinois.edu> wrote:
Hmmm, my copy sure doesn't look like HTML format.
I surrender....

P. Larry Nelson wrote on 7/24/18 1:44 PM:
Same test only now I've composed in HTML format.
Same URL:
(https://urldefense.proofpoint.com/v2/url?u=https-3A__www.google.com_&d=DwIDaQ&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=EYDBVOo8z2PATbw_pAw6GKNYkFSqZ79zzdFhPDE8sko&s=36AasAKnjw3JX0UK8z2_eOOgWRhxPGfavvUN_pCuhXY&e=)

P. Larry Nelson wrote on 7/24/18 1:40 PM:
I concur with the previous posts about ProofPoint.
The U of I campus implemented this several years ago.
I complained.  Fell on deaf ears.

Implemented by our security folks.  Rationale being that 99% of the
campus email users (i.e., using the campus Exchange server) are either too
lazy and/or too unaware of the dangers of blindly clicking on a URL in their
emails.

However, U of I email with a URL in the message body shows the real URL
(in blue and underlined - unless the URL is hidden via the html "<a href="
construct), but when you move the mouse pointer over the URL, (at least in
Thunderbird) the bottom horizontal box of T-bird (I'm sure it has a more
official name) then shows the long obfuscated urldefense URL.

So, in our case, one can just copy/paste the URL in the message body to a
browser and NOT go thru ProofPoint.

The other aspect of the U of I's ProofPoint config is that it only
affects email composed in HTML format, and since I generally loathe doing
that unless absolutely necessary, I almost always compose in ASCII mode.

So, I suppose this might be a test of how Fermilab has implemented
ProofPoint as I will now include a rather well known URL here
(https://urldefense.proofpoint.com/v2/url?u=https-3A__www.google.com_&d=DwIDaQ&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=EYDBVOo8z2PATbw_pAw6GKNYkFSqZ79zzdFhPDE8sko&s=36AasAKnjw3JX0UK8z2_eOOgWRhxPGfavvUN_pCuhXY&e=)
and see how it arrives in your inbox.

:-)


--
P. Larry Nelson (217-693-7418) | IT Administrator Emeritus
810 Ventura Rd.                | High Energy Physics Group
Champaign, IL  61820           | Physics Dept., Univ. of Ill.
MailTo: lnel...@illinois.edu   |
https://urldefense.proofpoint.com/v2/url?u=http-3A__hep.physics.illinois.edu_home_lnelson_&d=DwIDaQ&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=EYDBVOo8z2PATbw_pAw6GKNYkFSqZ79zzdFhPDE8sko&s=8P7D0JjiUCaWC6pRi-O7YHxf0ZnDitNCQLFRp9iRMbU&e=

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  "Information without accountability is just noise."  - P.L. Nelson





--
P. Larry Nelson (217-693-7418) | IT Administrator Emeritus
810 Ventura Rd.                | High Energy Physics Group
Champaign, IL  61820           | Physics Dept., Univ. of Ill.
MailTo: lnel...@illinois.edu   | 
https://urldefense.proofpoint.com/v2/url?u=http-3A__hep.physics.illinois.edu_home_lnelson_&d=DwICaQ&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=ZGI1z1l3vfqoHxT9bkh2uTtKg-5zoSMkjMa7dJwVne0&s=l7l1lrZgSpAr0K8iyL7LTCTt6o9OZXT_q7VJXbA1C7w&e=
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 "Information without accountability is just noise."  - P.L. Nelson

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