Create a new text file and paste this in. Save as "test.html". Double click to open in Safari (or your default web browser) I just added some header and footer data.

Code:
<html><head></head><body>
<font face=3D'Arial' size=3D'2'>This is a post-only message. Please do not =
respond.<br><br>Rita Montague has requested that you receive a USPS Tracki=
ng&#0153 update, as shown below.<br><br>USPS Tracking&#0153 e-mail update i=
nformation provided by the U.S. Postal Service.<br><br>Label Number: <a hre=
f=3D"https://tools.usps.com/go/TrackConfirmAction.action?tRef=3Dfullpage&tL=
c=3D1&tLabels=3D9400111899562438154208">9400111899562438154208</a><br><br>E=
xpected Delivery Date: March 19, 2015<br><br>Service Type: USPS Tracking<SU=
P>&#153;</SUP><br><br><table><tr><td width=3D'300' nowrap=3D'false'><font f=
ace=3D'Arial' size=3D'2'>Shipment Activity</font></td><td width=3D'200' now=
rap=3D'false'><font face=3D'Arial' size=3D'2'>Location</font></td><td width=
=3D'100'><font face=3D'Arial' size=3D'2'>Date & Time</font></td></tr>
<tr><td colspan=3D3>
---------------------------------------------------------------------------=
----------------------------------------
</td></tr>
<tr><td><font face=3D'Arial' size=3D'2'>Departed USPS Facility</font></td><=
td><font face=3D'Arial' size=3D'2'>PEORIA, IL 61601</font></td><td><font fa=
ce=3D'Arial' size=3D'2'>March 16, 2015 11:29 pm</font></td></tr><tr><td><fo=
nt face=3D'Arial' size=3D'2'>Arrived at USPS Origin Facility</font></td><td=
<font face=3D'Arial' size=3D'2'>PEORIA, IL 61601</font></td><td><font face=
=3D'Arial' size=3D'2'>March 16, 2015 8:45 pm</font></td></tr><tr><td><font =
face=3D'Arial' size=3D'2'>Accepted at USPS Origin Sort Facility</font></td>=
<td><font face=3D'Arial' size=3D'2'>PEORIA, IL 61614</font></td><td><font f=
ace=3D'Arial' size=3D'2'>March 16, 2015 7:30 pm</font></td></tr><tr><td><fo=
nt face=3D'Arial' size=3D'2'>Shipment Accepted</font></td><td><font face=3D=
'Arial' size=3D'2'>PEORIA, IL 61614</font></td><td><font face=3D'Arial' siz=
e=3D'2'>March 16, 2015 4:07 pm</font></td></tr><tr><td><font face=3D'Arial'=
size=3D'2'>Pre-Shipment Info Sent to USPS</font></td><td><font face=3D'Ari=
al' size=3D'2'></font></td><td><font face=3D'Arial' size=3D'2'>March 15, 20=
15 </font></td></tr></table><br><br>Reminder: USPS Tracking&#0153 by email<=
br><br>Date of email request: March 15, 2015<br><br>Future activity will co=
ntinue to be emailed for up to 2 weeks from the Date of Request shown above=
. If you need to initiate the USPS Tracking&#0153 by email process again at=
the end of the 2 weeks, please do so at the USPS Tracking&#0153 web site a=
t http://www.usps.com/shipping/trackandconfirm.htm<br><br>Results provided =
by the U.S. Postal Service.<br><br>Want to Track on the go?<br>You can trac=
k your packages using USPS Text Tracking&#0153 by texting your tracking num=
ber to 28777 (2USPS&#0153) or selecting the Text Update option on our USPS =
Tracking&#0153 site.<br>For more information go to https://www.usps.com/tex=
t-tracking/welcome.htm</font>
</body></html>


THEN do this in terminal to fix the linefeeds

cat test.html | tr '\n' '#' | sed 's/=#//g' | tr '#' '\n' > test2.html

double clicking test2.html, I get:



This is a post-only message. Please do not respond.

Rita Montague has requested that you receive a USPS Tracking& 0153 update, as shown below.

USPS Tracking& 0153 e-mail update information provided by the U.S. Postal Service.

Label Number: 9400111899562438154208

Expected Delivery Date: March 19, 2015

Service Type: USPS Tracking& 153;

PEORIA, IL 61601
Shipment Activity Location Date & Time
-------------------------------------------------------------------------------------------------------------------
Departed USPS Facility PEORIA, IL 61601 March 16, 2015 11:29 pm
Arrived at USPS Origin Facility March 16, 2015 8:45 pm
Accepted at USPS Origin Sort Facility PEORIA, IL 61614 March 16, 2015 7:30 pm
Shipment Accepted PEORIA, IL 61614 March 16, 2015 4:07 pm
Pre-Shipment Info Sent to USPS March 15, 2015


Reminder: USPS Tracking& 0153 by email

Date of email request: March 15, 2015

Future activity will continue to be emailed for up to 2 weeks from the Date of Request shown above. If you need to initiate the USPS Tracking& 0153 by email process again atthe end of the 2 weeks, please do so at the USPS Tracking& 0153 web site at http://www.usps.com/shipping/trackandconfirm.htm

Results provided by the U.S. Postal Service.

Want to Track on the go?
You can track your packages using USPS Text Tracking& 0153 by texting your tracking number to 28777 (2USPS& 0153) or selecting the Text Update option on our USPS Tracking& 0153 site.
For more information go to https://www.usps.com/text-tracking/welcome.htm

I work for the Department of Redundancy Department