Hi, I’m having the same issue
Like lexicon, I don’t use a burner and just use /feed at end of my web address (which still opens in feedly, but my email subscription stopped working).
On my mailer Troubleshooting page they suggested going to https://validator.w3.org/ for more information and it showed the following errors which might help you fixing the problem.
"Sorry
This feed does not validate.
line 36, column 41: XML parsing error: <unknown>:36:41: not well-formed (invalid token) [help]
<script type="text/javascript" async defer data-pin-color="red" data-p ...
^
In addition, interoperability with the widest range of feed readers could be improved by implementing the following recommendation.
line 32, column 0: description should not contain script tag [help]
<description><![CDATA[ <script type="text/javascript" async defer data- ..."
and it highlights the following code as the problem.
Line 32: <description><![CDATA[ <script type="text/javascript" async defer data-pin-color="red" data-pin-hover="true" src="https://www.onepennytourist.com/wp-content/plugins/pinterest-pin-it-button-on-image-hover-and-post/js/pinit.js"></script>
Line 36: <script type="text/javascript" async defer data-pin-color="red" data-pin-hover="true" src="https://www.onepennytourist.com/wp-content/plugins/pinterest-pin-it-button-on-image-hover-and-post/js/pinit.js"></script>