Cfmail stripping style tag when font-family non standard included

Hi folks,

This is the HTML we are using:

Thank You for Claiming

It is coming out in gmail, outlook and others as:

Thank You for Claiming

I thought for a while it was the mail server (sending or receiving) but
after some testing I found that if I use this (note the removal of
‘Helvetica Neue’):

Thank You for Claiming

It is not touched and styling comes out fine. I have verified this on a
number of different clients and mail servers. The HTML works fine when
sending from Mailchimp & Campaign Monitor too, so I am 99% sure its cfmail
on Lucee 4.5.3.018 final.

Here is the test script (replace your mail server details at the top to
give it a go). If you can verify this for me, I wonder if its a bug in
Lucee?

Thanks!

 <!-- Title -->
 <tr>
    <td style="color:##474747;font-family:'Helvetica 

Neue’,Helvetica,arial,sans-serif;font-size:34px;line-height:36px;padding-top:0;padding-bottom:8px;font-weight:300"
align=“center” st-title=“fulltext-heading”>Thank You for
Claiming







 <!-- End of content -->

 <!-- Title -->
 <tr>
    <td style="color:##474747;font-family:'Helvetica 

Neue’,Helvetica,arial,sans-serif;font-size:34px;line-height:36px;padding-top:0;padding-bottom:8px;font-weight:300"
align=“center” st-title=“fulltext-heading”>Thank You for
Claiming







 <!-- End of content -->

 <!-- Title -->
 <tr>
    <td 

style=“color:##474747;font-family:Helvetica,arial,sans-serif;font-size:34px;line-height:36px;padding-top:0;padding-bottom:8px;font-weight:300”
align=“center” st-title=“fulltext-heading”>Thank You for
Claiming







 <!-- End of content -->